<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:f726d8d2-e859-4670-b4d9-fdc1fb07f0de,g:a370aec9-70bf-412f-bd59-624658303ca4-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="dbx-20250331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_90c1151d-4d88-4918-a39b-ec5fff175d1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_AssetsCurrent_90c1151d-4d88-4918-a39b-ec5fff175d1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_bb0e2679-e1d6-4c1c-8fac-b031cd2b4c80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_bb0e2679-e1d6-4c1c-8fac-b031cd2b4c80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_b32ae942-83e5-417e-bf72-601419483fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_b32ae942-83e5-417e-bf72-601419483fb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_2a0d3a75-aa27-4a3e-99fc-7d872fc59bfb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_Goodwill_2a0d3a75-aa27-4a3e-99fc-7d872fc59bfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_42864a9a-cea9-4281-a3fc-7f9a540069f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_42864a9a-cea9-4281-a3fc-7f9a540069f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_e77d3d63-5ca5-45b8-b4dd-9d7bbf41c217" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_e77d3d63-5ca5-45b8-b4dd-9d7bbf41c217" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_73fdb43a-097a-48ba-a9e4-0c1fe3c55b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8633167b-146e-49c3-90c3-4810f1570cd4" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_73fdb43a-097a-48ba-a9e4-0c1fe3c55b0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_5471e384-d731-4d90-add2-f2eb4ca332f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_c6aaef1d-fe6a-4990-8a19-fd01f0b14dde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5471e384-d731-4d90-add2-f2eb4ca332f9" xlink:to="loc_us-gaap_AdditionalPaidInCapital_c6aaef1d-fe6a-4990-8a19-fd01f0b14dde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_12163bf8-a26d-402c-ba38-d3f8ad9a707c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5471e384-d731-4d90-add2-f2eb4ca332f9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_12163bf8-a26d-402c-ba38-d3f8ad9a707c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_54649399-8c68-45c5-adcf-9f1c1cbb7e8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5471e384-d731-4d90-add2-f2eb4ca332f9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_54649399-8c68-45c5-adcf-9f1c1cbb7e8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_8ea84d13-9a0e-489a-9b34-9cc61a3dd72f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_8ea84d13-9a0e-489a-9b34-9cc61a3dd72f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtCurrent_959a0025-8306-40c4-bc6f-03be754bcf53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_ConvertibleDebtCurrent_959a0025-8306-40c4-bc6f-03be754bcf53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_e9fb2d5b-e809-4c84-8e3e-722a37dd9ae8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_e9fb2d5b-e809-4c84-8e3e-722a37dd9ae8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_11637b58-f058-45fa-b06c-7bde6e235739" xlink:href="dbx-20250331.xsd#dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_11637b58-f058-45fa-b06c-7bde6e235739" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LinesOfCreditCurrent_b8f16637-c6e1-4080-9e6a-5a4af189b0aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LinesOfCreditCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_LinesOfCreditCurrent_b8f16637-c6e1-4080-9e6a-5a4af189b0aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_faa1c47e-5775-44a4-b8e0-151c8fa46184" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_AccountsPayableCurrent_faa1c47e-5775-44a4-b8e0-151c8fa46184" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_323b8357-83e6-49fd-b58b-834bd4253ba1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_323b8357-83e6-49fd-b58b-834bd4253ba1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d9502804-016c-4285-8930-6088c6552763" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_71a24591-43b1-44ac-9694-5844106b7426" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d9502804-016c-4285-8930-6088c6552763" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_576f6441-3f41-415c-9346-61ee6d430577" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_334ae57a-7cfb-4709-90b8-6ce0bd14d51b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_576f6441-3f41-415c-9346-61ee6d430577" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_334ae57a-7cfb-4709-90b8-6ce0bd14d51b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_05413ea8-04d9-4694-91b8-c79faf0d92de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_576f6441-3f41-415c-9346-61ee6d430577" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_05413ea8-04d9-4694-91b8-c79faf0d92de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_d776acec-f391-4403-9cf2-c964a8056fd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_576f6441-3f41-415c-9346-61ee6d430577" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_d776acec-f391-4403-9cf2-c964a8056fd4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_1a3eca28-cf82-4791-a472-b7384f059f00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_576f6441-3f41-415c-9346-61ee6d430577" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_1a3eca28-cf82-4791-a472-b7384f059f00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLineOfCredit_304cdc6e-e0e2-460a-8738-895aaba2004d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermLineOfCredit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_LongTermLineOfCredit_304cdc6e-e0e2-460a-8738-895aaba2004d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_9ca2b42e-1eaf-48fe-afdd-827cbb740b82" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_9ca2b42e-1eaf-48fe-afdd-827cbb740b82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtNoncurrent_0befcdbf-357f-4627-8bbc-e0f07b186a23" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_ConvertibleDebtNoncurrent_0befcdbf-357f-4627-8bbc-e0f07b186a23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_ad75dcfe-cac3-43c3-ae78-2af94df511f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_ad75dcfe-cac3-43c3-ae78-2af94df511f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_fd7e039a-9f60-4a54-a251-57a9c506a6f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_LiabilitiesCurrent_fd7e039a-9f60-4a54-a251-57a9c506a6f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3dfa5504-0146-4960-90f4-38d76ded43bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df6cb8eb-33d2-4e87-9c09-4cc359aaca6a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3dfa5504-0146-4960-90f4-38d76ded43bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_10cfb3b4-0089-4a20-8a45-058b45ec63aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_715cd5e7-336f-4a4f-b541-9f8878b18837" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_10cfb3b4-0089-4a20-8a45-058b45ec63aa" xlink:to="loc_us-gaap_StockholdersEquity_715cd5e7-336f-4a4f-b541-9f8878b18837" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_252c2197-77aa-42cc-85bc-668ca45ea7f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_10cfb3b4-0089-4a20-8a45-058b45ec63aa" xlink:to="loc_us-gaap_Liabilities_252c2197-77aa-42cc-85bc-668ca45ea7f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_9eaa286a-f28e-4f5e-899f-ab270daaba96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_10cfb3b4-0089-4a20-8a45-058b45ec63aa" xlink:to="loc_us-gaap_CommitmentsAndContingencies_9eaa286a-f28e-4f5e-899f-ab270daaba96" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="dbx-20250331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_b81b8c15-0ac4-4d45-b528-7640094f30df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3c9de008-38cd-47a5-bb8f-7fdaae1d1d68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_b81b8c15-0ac4-4d45-b528-7640094f30df" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3c9de008-38cd-47a5-bb8f-7fdaae1d1d68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_da9de13b-2a00-4fab-aad2-e32bd4086f34" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_b81b8c15-0ac4-4d45-b528-7640094f30df" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_da9de13b-2a00-4fab-aad2-e32bd4086f34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_fe75fc56-cde6-45f5-8e13-960c4946217c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_b2da0b1d-d620-4100-9295-28246fee9833" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_fe75fc56-cde6-45f5-8e13-960c4946217c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_b2da0b1d-d620-4100-9295-28246fee9833" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_2393f7c2-2095-4fa7-90cf-11eeb35da418" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_fe75fc56-cde6-45f5-8e13-960c4946217c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_2393f7c2-2095-4fa7-90cf-11eeb35da418" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_45da20e5-5a6b-4c8a-a129-9364b2c2a0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_55c3f55c-0cdc-4078-a28f-5e2a1a18419f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_45da20e5-5a6b-4c8a-a129-9364b2c2a0f5" xlink:to="loc_us-gaap_OperatingExpenses_55c3f55c-0cdc-4078-a28f-5e2a1a18419f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_1378fb79-1805-4add-9a8d-f0e2278f0f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_45da20e5-5a6b-4c8a-a129-9364b2c2a0f5" xlink:to="loc_us-gaap_GrossProfit_1378fb79-1805-4add-9a8d-f0e2278f0f6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_370cf0bc-2d0e-471f-b28b-13e692a0b056" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_3a93feac-5139-4bf9-9a12-ee6ae61ae767" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_370cf0bc-2d0e-471f-b28b-13e692a0b056" xlink:to="loc_us-gaap_SellingAndMarketingExpense_3a93feac-5139-4bf9-9a12-ee6ae61ae767" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_be9e5d12-de94-455a-a89d-67d39d49eddb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_370cf0bc-2d0e-471f-b28b-13e692a0b056" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_be9e5d12-de94-455a-a89d-67d39d49eddb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_93652d40-8362-4540-ae2e-a8636b918afa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_370cf0bc-2d0e-471f-b28b-13e692a0b056" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_93652d40-8362-4540-ae2e-a8636b918afa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1fc3e2f3-e832-4bab-bcb4-852ef0e02ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c86078e7-7769-4d59-b0f0-b8da7970baa4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1fc3e2f3-e832-4bab-bcb4-852ef0e02ea6" xlink:to="loc_us-gaap_OperatingIncomeLoss_c86078e7-7769-4d59-b0f0-b8da7970baa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_3f919b56-45c4-4430-9b91-0f2a665d015e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1fc3e2f3-e832-4bab-bcb4-852ef0e02ea6" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_3f919b56-45c4-4430-9b91-0f2a665d015e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d2b096f7-7807-42cd-a8ea-42cedea7a065" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1fc3e2f3-e832-4bab-bcb4-852ef0e02ea6" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_d2b096f7-7807-42cd-a8ea-42cedea7a065" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="dbx-20250331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf4e7d8c-59c8-475c-b7ee-c1817f64a03a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6fef5358-71d4-440f-b58d-0e129d50d533" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf4e7d8c-59c8-475c-b7ee-c1817f64a03a" xlink:to="loc_us-gaap_NetIncomeLoss_6fef5358-71d4-440f-b58d-0e129d50d533" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_747bc726-be65-47d8-8e36-2771a415a775" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf4e7d8c-59c8-475c-b7ee-c1817f64a03a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_747bc726-be65-47d8-8e36-2771a415a775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_923ad068-e4e3-431a-840b-944667271c7c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_79b15d08-95df-4b4f-8eae-57e86e6ff8fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_923ad068-e4e3-431a-840b-944667271c7c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_79b15d08-95df-4b4f-8eae-57e86e6ff8fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_a883fbc0-ab81-4f99-a84a-f27d29678a8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_923ad068-e4e3-431a-840b-944667271c7c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_a883fbc0-ab81-4f99-a84a-f27d29678a8a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="dbx-20250331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_104a15e7-1a98-42a2-90c3-83ddc1e5219b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_104a15e7-1a98-42a2-90c3-83ddc1e5219b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_5d5960cd-1501-46ff-8140-dbb7e492bc5b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_5d5960cd-1501-46ff-8140-dbb7e492bc5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_b88f1225-3116-4c54-9781-c6bfe9600b0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_b88f1225-3116-4c54-9781-c6bfe9600b0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8830d194-3347-4f24-87d9-811cdaab167f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8830d194-3347-4f24-87d9-811cdaab167f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_a7b4bf65-b3de-4242-bc16-c69e8e1c6935" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_a7b4bf65-b3de-4242-bc16-c69e8e1c6935" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_6e746935-bc6b-48ff-9ee1-e971747795df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b49b6fe-4f3f-4043-93bb-1d998718e8f4" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_6e746935-bc6b-48ff-9ee1-e971747795df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4ff6847a-c6ef-48d7-82e5-c3a18f064d8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_ce639ac4-18cb-49ee-ae23-25d7942c1205" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4ff6847a-c6ef-48d7-82e5-c3a18f064d8d" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_ce639ac4-18cb-49ee-ae23-25d7942c1205" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_a6e4f23f-e97f-4858-a425-24ca9a325e64" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4ff6847a-c6ef-48d7-82e5-c3a18f064d8d" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_a6e4f23f-e97f-4858-a425-24ca9a325e64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_812974a5-ad47-479f-85e4-20eab19754de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4ff6847a-c6ef-48d7-82e5-c3a18f064d8d" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_812974a5-ad47-479f-85e4-20eab19754de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_d1298ee4-d421-41c5-a3bd-0e1034a88ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_d1298ee4-d421-41c5-a3bd-0e1034a88ef7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f710ed95-9962-4e3a-b1c0-497ae054288d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f710ed95-9962-4e3a-b1c0-497ae054288d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_86d7fa12-15e6-4615-b467-7447e8f066e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_86d7fa12-15e6-4615-b467-7447e8f066e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_34468df0-7c46-4de0-bd16-fdaaf3938ad0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_34468df0-7c46-4de0-bd16-fdaaf3938ad0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3f5e7d65-a3ac-44ee-8b93-4736ba4a37b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3f5e7d65-a3ac-44ee-8b93-4736ba4a37b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_bc3951ab-1447-41c7-8c6c-00eeb8f35343" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f373ad6c-9733-4155-b247-8e831fe9e204" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_bc3951ab-1447-41c7-8c6c-00eeb8f35343" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_223a8ee8-b1fa-406b-a751-455d80ec4d78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_223a8ee8-b1fa-406b-a751-455d80ec4d78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_cad27057-047d-4765-83e0-6eb438585a29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_cad27057-047d-4765-83e0-6eb438585a29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8b96f9d9-6999-4485-8f36-23f6a603142e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8b96f9d9-6999-4485-8f36-23f6a603142e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_7f2974d9-e89f-4e3e-91ef-031f2ba289ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_7f2974d9-e89f-4e3e-91ef-031f2ba289ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities_f30cac9a-9f11-4197-954b-4fd00ed74954" xlink:href="dbx-20250331.xsd#dbx_IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_dbx_IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities_f30cac9a-9f11-4197-954b-4fd00ed74954" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_5a332820-0163-407c-a215-696257205a57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_ShareBasedCompensation_5a332820-0163-407c-a215-696257205a57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_d1e57d94-263a-4164-b095-f08a592ab39a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_d1e57d94-263a-4164-b095-f08a592ab39a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions_02f3218a-c1fe-4caf-ac0e-3528b17feacf" xlink:href="dbx-20250331.xsd#dbx_DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_dbx_DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions_02f3218a-c1fe-4caf-ac0e-3528b17feacf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_1d298f48-5fbf-4080-a95f-ae4efb75e3ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_1d298f48-5fbf-4080-a95f-ae4efb75e3ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6fc2986a-f4f0-4a2d-80e8-2044d3137f52" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6fc2986a-f4f0-4a2d-80e8-2044d3137f52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_3ecbc255-1127-4b8f-a199-e1a17b2ca3e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_3ecbc255-1127-4b8f-a199-e1a17b2ca3e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ffa9dee4-ea7c-46e6-afa2-b46f4f8e756c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ffa9dee4-ea7c-46e6-afa2-b46f4f8e756c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_96f4d16c-b903-4fc6-8937-91c6eec0a722" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_96f4d16c-b903-4fc6-8937-91c6eec0a722" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_4d6785ff-9f54-4ea1-8c7b-4e025a3b1a42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_4d6785ff-9f54-4ea1-8c7b-4e025a3b1a42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_b2773dc6-d941-4822-8255-c50cc1cbbe00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_b2773dc6-d941-4822-8255-c50cc1cbbe00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_7189dcd4-c2e2-44d3-8ce0-16251c5d891c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_NetIncomeLoss_7189dcd4-c2e2-44d3-8ce0-16251c5d891c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_da1f3640-155e-430c-aeae-b25302e02421" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_da1f3640-155e-430c-aeae-b25302e02421" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_PaymentsForTerminationOfLease_c2b2b3d8-42c3-4463-bbf1-d48d14493d63" xlink:href="dbx-20250331.xsd#dbx_PaymentsForTerminationOfLease"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_dbx_PaymentsForTerminationOfLease_c2b2b3d8-42c3-4463-bbf1-d48d14493d63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiGainLoss_8bb23e87-2255-4809-b8eb-fea38f727d73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquitySecuritiesFvNiGainLoss"/>
    <link:calculationArc order="19" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d25e0d8b-9910-49b9-8c97-1685d9509d81" xlink:to="loc_us-gaap_EquitySecuritiesFvNiGainLoss_8bb23e87-2255-4809-b8eb-fea38f727d73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8ba3e71e-8ba9-409c-a31b-6009cae7e861" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_318f2bf4-eaac-4cab-8d14-61cce434fb9f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8ba3e71e-8ba9-409c-a31b-6009cae7e861" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_318f2bf4-eaac-4cab-8d14-61cce434fb9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_cfae3a3e-04da-4e9c-b915-4e8390cc7bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8ba3e71e-8ba9-409c-a31b-6009cae7e861" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_cfae3a3e-04da-4e9c-b915-4e8390cc7bf5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c8e4655a-823d-4887-9347-124cc652228d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8ba3e71e-8ba9-409c-a31b-6009cae7e861" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c8e4655a-823d-4887-9347-124cc652228d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8fa8a948-0a45-4dc0-b483-22ce9b8f8562" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8ba3e71e-8ba9-409c-a31b-6009cae7e861" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8fa8a948-0a45-4dc0-b483-22ce9b8f8562" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_7649fac7-b46f-4a61-8d3b-f32610d3b8f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_6aa1cda1-514c-4a56-a97e-64b8492933bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_7649fac7-b46f-4a61-8d3b-f32610d3b8f5" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_6aa1cda1-514c-4a56-a97e-64b8492933bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_ef0560ef-cdaa-4749-9f64-b270afaca81e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_7649fac7-b46f-4a61-8d3b-f32610d3b8f5" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_ef0560ef-cdaa-4749-9f64-b270afaca81e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_498e1805-d3fa-4673-a73f-b49c719e6239" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_7649fac7-b46f-4a61-8d3b-f32610d3b8f5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_498e1805-d3fa-4673-a73f-b49c719e6239" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_2c0c3ec7-f83e-433f-ac2c-1283518718a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_8efe11c9-ffc3-4773-8e4c-a0a611aa576b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_2c0c3ec7-f83e-433f-ac2c-1283518718a4" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_8efe11c9-ffc3-4773-8e4c-a0a611aa576b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_45b90b47-cb12-492a-98a0-f4b8c36cd2ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_2c0c3ec7-f83e-433f-ac2c-1283518718a4" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_45b90b47-cb12-492a-98a0-f4b8c36cd2ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_b76caae7-af77-430d-ab67-c0fb7132840e" xlink:href="dbx-20250331.xsd#dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_53936a31-e21e-4999-bbbd-fe916da7cc67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_b76caae7-af77-430d-ab67-c0fb7132840e" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_53936a31-e21e-4999-bbbd-fe916da7cc67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_ffdf9d4b-3224-4ba1-bb2c-9144a851d46f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_b76caae7-af77-430d-ab67-c0fb7132840e" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_ffdf9d4b-3224-4ba1-bb2c-9144a851d46f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_61816e52-981d-4079-b1c3-bf36f7a720be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_b76caae7-af77-430d-ab67-c0fb7132840e" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_61816e52-981d-4079-b1c3-bf36f7a720be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7b7f1d8e-ad10-4506-9389-1850753736d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_bd97caef-8060-472b-b95a-3196322ec797" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7b7f1d8e-ad10-4506-9389-1850753736d1" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_bd97caef-8060-472b-b95a-3196322ec797" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails_1" xlink:type="simple" xlink:href="dbx-20250331.xsd#CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofAmortizedCostUnrealizedGainsandLossesandEstimatedFairValueofCashCashEquivalentsandShortTermInvestmentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_c0ad6b49-be38-492f-9f3f-84bea59720cb" xlink:href="dbx-20250331.xsd#dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ef86b8c6-b65e-4c99-96b6-9d36bd21448d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_c0ad6b49-be38-492f-9f3f-84bea59720cb" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ef86b8c6-b65e-4c99-96b6-9d36bd21448d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_e1c3ad96-1d88-448e-9c2c-e370c84eaeaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_CashCashEquivalentsAndShortTermInvestmentsAmortizedCost_c0ad6b49-be38-492f-9f3f-84bea59720cb" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_e1c3ad96-1d88-448e-9c2c-e370c84eaeaa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofContractualMaturitiesofShortTermInvestmentsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#CashCashEquivalentsandShortTermInvestmentsScheduleofContractualMaturitiesofShortTermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofContractualMaturitiesofShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_b7673191-ef47-40cd-bbe2-8ac3ffd658a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue_7aaa05ca-107a-4b23-8561-7248803e68f2" xlink:href="dbx-20250331.xsd#dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_b7673191-ef47-40cd-bbe2-8ac3ffd658a7" xlink:to="loc_dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue_7aaa05ca-107a-4b23-8561-7248803e68f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_9383bddb-8659-497b-bb07-64d55092d0be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_b7673191-ef47-40cd-bbe2-8ac3ffd658a7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_9383bddb-8659-497b-bb07-64d55092d0be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsFairValue_40230c1a-dcfe-42be-835b-8112b05414e9" xlink:href="dbx-20250331.xsd#dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_b7673191-ef47-40cd-bbe2-8ac3ffd658a7" xlink:to="loc_dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsFairValue_40230c1a-dcfe-42be-835b-8112b05414e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_b02ea639-3b04-40ea-8c7d-f31a662766ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsAmortizedCost_b48d52b9-a030-4c9c-afeb-335f179cae57" xlink:href="dbx-20250331.xsd#dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsAmortizedCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_b02ea639-3b04-40ea-8c7d-f31a662766ec" xlink:to="loc_dbx_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsAmortizedCost_b48d52b9-a030-4c9c-afeb-335f179cae57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_381b20c2-f07a-4013-991d-ca03acdb2d8f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_b02ea639-3b04-40ea-8c7d-f31a662766ec" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_381b20c2-f07a-4013-991d-ca03acdb2d8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost_05d250af-7ed2-4ed6-bea1-df546095f23a" xlink:href="dbx-20250331.xsd#dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_b02ea639-3b04-40ea-8c7d-f31a662766ec" xlink:to="loc_dbx_DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost_05d250af-7ed2-4ed6-bea1-df546095f23a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofBreakdownoftheShortTermInvestmentsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#CashCashEquivalentsandShortTermInvestmentsScheduleofBreakdownoftheShortTermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/CashCashEquivalentsandShortTermInvestmentsScheduleofBreakdownoftheShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_ef2eb686-b69c-40c2-abc3-a88538863802" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_bc3e5080-98c4-4375-9b16-6509d9f6622f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_ef2eb686-b69c-40c2-abc3-a88538863802" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_bc3e5080-98c4-4375-9b16-6509d9f6622f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_a6930fb8-fc36-423c-bb67-33ef012afc2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_ef2eb686-b69c-40c2-abc3-a88538863802" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_a6930fb8-fc36-423c-bb67-33ef012afc2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_9d4adb48-4ca2-4744-a309-5337c4b8ba44" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_1fbab6bc-ca8f-4339-995a-f11e79aea6f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_9d4adb48-4ca2-4744-a309-5337c4b8ba44" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_1fbab6bc-ca8f-4339-995a-f11e79aea6f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_e4070389-00cb-43e7-b256-67c503a7c904" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_9d4adb48-4ca2-4744-a309-5337c4b8ba44" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_e4070389-00cb-43e7-b256-67c503a7c904" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/FairValueMeasurementsScheduleofFinancialInstrumentsMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#FairValueMeasurementsScheduleofFinancialInstrumentsMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/FairValueMeasurementsScheduleofFinancialInstrumentsMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_2099c337-9ab3-46e1-970c-1d121c1ee9e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_42b55ae4-c4c7-4c60-ad8f-ab1ffd6717e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_2099c337-9ab3-46e1-970c-1d121c1ee9e4" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_42b55ae4-c4c7-4c60-ad8f-ab1ffd6717e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_a6236e3d-39a2-4b5e-adb0-be488089868b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_2099c337-9ab3-46e1-970c-1d121c1ee9e4" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_a6236e3d-39a2-4b5e-adb0-be488089868b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_83a9720d-e7a8-457b-bd7b-3dccb28a5a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_61f14b2c-0972-4e55-bdd4-577202963b95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_83a9720d-e7a8-457b-bd7b-3dccb28a5a6e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_61f14b2c-0972-4e55-bdd4-577202963b95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ea1569ba-bed7-422d-b8c6-646cffb43b58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_83a9720d-e7a8-457b-bd7b-3dccb28a5a6e" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ea1569ba-bed7-422d-b8c6-646cffb43b58" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/IntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#IntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/IntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ce51c88f-5927-4487-96c6-c9d80754d1cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_7cf0c85f-2773-4364-b8a2-897828bdb7c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ce51c88f-5927-4487-96c6-c9d80754d1cd" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_7cf0c85f-2773-4364-b8a2-897828bdb7c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_acd94c28-343a-4165-8da1-953ddcd7e068" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ce51c88f-5927-4487-96c6-c9d80754d1cd" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_acd94c28-343a-4165-8da1-953ddcd7e068" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/IntangibleAssetsScheduleofExpectedFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#IntangibleAssetsScheduleofExpectedFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/IntangibleAssetsScheduleofExpectedFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_52635106-dac2-4fb6-9485-e0a50c872e18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_52635106-dac2-4fb6-9485-e0a50c872e18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_780e6070-4d7d-413f-827e-5842fc5aa8b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_780e6070-4d7d-413f-827e-5842fc5aa8b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_b57a1336-6e19-4626-b6d5-ebaa60e3ed1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_b57a1336-6e19-4626-b6d5-ebaa60e3ed1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_502eb470-3b6e-4f7d-86ce-1db1e4bd9be2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_502eb470-3b6e-4f7d-86ce-1db1e4bd9be2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_e6fff803-1be3-47fb-a388-b43e38143d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_e6fff803-1be3-47fb-a388-b43e38143d9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_09bdc6e5-6331-446a-aa2d-29f476836653" xlink:href="dbx-20250331.xsd#dbx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6c86c3f3-11f8-4105-8d81-c99af6ec9283" xlink:to="loc_dbx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_09bdc6e5-6331-446a-aa2d-29f476836653" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/DebtScheduleofTermLoanFacilityDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#DebtScheduleofTermLoanFacilityDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/DebtScheduleofTermLoanFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_38fd4b12-843a-4a3c-8dda-9088ac1c7af6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_0341677d-07dc-4a11-966e-fbee114c8438" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_38fd4b12-843a-4a3c-8dda-9088ac1c7af6" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_0341677d-07dc-4a11-966e-fbee114c8438" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_f7d783e8-f8e0-4cbd-9d8e-1163cba8357a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_38fd4b12-843a-4a3c-8dda-9088ac1c7af6" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_f7d783e8-f8e0-4cbd-9d8e-1163cba8357a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/DebtScheduleofTermLoanDebtDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#DebtScheduleofTermLoanDebtDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/DebtScheduleofTermLoanDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9d257be8-c3f0-4852-95b7-6c5d7a6b2b6f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9d257be8-c3f0-4852-95b7-6c5d7a6b2b6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_afcc5051-5e27-41cb-ae0f-d82c7fdc2f5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_afcc5051-5e27-41cb-ae0f-d82c7fdc2f5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_50133151-3de8-49ee-bb10-2f811edbd9a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_50133151-3de8-49ee-bb10-2f811edbd9a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_5c8fec59-43e4-447e-8c8b-7e4afcce76e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_5c8fec59-43e4-447e-8c8b-7e4afcce76e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_32d4838f-fdd3-46f5-87ad-221a4121c05e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_32d4838f-fdd3-46f5-87ad-221a4121c05e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_LongTermDebtMaturityAfterYearFour_58d0d334-f7fe-42da-9644-4ff5abad22c2" xlink:href="dbx-20250331.xsd#dbx_LongTermDebtMaturityAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0170fdeb-8e93-4216-94bc-b7690f61d396" xlink:to="loc_dbx_LongTermDebtMaturityAfterYearFour_58d0d334-f7fe-42da-9644-4ff5abad22c2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/LeasesScheduleofFutureMinimumOperatingandFinanceLeasePaymentsUnderNonCancellableLeasesDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#LeasesScheduleofFutureMinimumOperatingandFinanceLeasePaymentsUnderNonCancellableLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/LeasesScheduleofFutureMinimumOperatingandFinanceLeasePaymentsUnderNonCancellableLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_e9c1e1d2-93b8-4844-9915-1dfa57027409" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_e9c1e1d2-93b8-4844-9915-1dfa57027409" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_9a914820-d594-49b4-9e2c-f1de05dd0697" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_9a914820-d594-49b4-9e2c-f1de05dd0697" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_9adb1c92-7d8d-42b7-ae26-771f5b7ce6f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_9adb1c92-7d8d-42b7-ae26-771f5b7ce6f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_99d29695-51af-484c-b91c-b4c3059d5439" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_99d29695-51af-484c-b91c-b4c3059d5439" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_8349aaab-37f7-40c0-93b1-c567e3e915ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_8349aaab-37f7-40c0-93b1-c567e3e915ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_64725ed9-8ce8-4cb8-8c1d-f9db35b36918" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_64725ed9-8ce8-4cb8-8c1d-f9db35b36918" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_66335ba8-2e5c-431c-8b4f-03df851c0277" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a5b5d52b-5812-45cd-95cc-27e6260724f9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_66335ba8-2e5c-431c-8b4f-03df851c0277" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_23b64ad2-ea0d-49a2-ad11-e6b6c76b5a3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_23b64ad2-ea0d-49a2-ad11-e6b6c76b5a3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_9e71afda-5ff6-4569-b572-aba9dd8d4434" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_9e71afda-5ff6-4569-b572-aba9dd8d4434" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_db98374a-c7a4-495a-a6ac-612e2d1fe07f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_db98374a-c7a4-495a-a6ac-612e2d1fe07f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5686b8b6-1437-4c0c-831c-9694393314ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5686b8b6-1437-4c0c-831c-9694393314ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_0c93b37a-b2ea-4e20-8caa-a86ac396f320" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_0c93b37a-b2ea-4e20-8caa-a86ac396f320" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_3f5310c5-de5e-4aac-82bc-91022c0435b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_3f5310c5-de5e-4aac-82bc-91022c0435b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e98ea020-aed4-4c8b-bf8c-f2aa36b9e6d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_76c9e865-bf47-4a04-9946-1d84c0601a3f" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e98ea020-aed4-4c8b-bf8c-f2aa36b9e6d4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/LeasesScheduleofFutureNonCancelableRentPaymentsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#LeasesScheduleofFutureNonCancelableRentPaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/LeasesScheduleofFutureNonCancelableRentPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_fdde918a-7e8d-4574-80ec-dd50636d8b9a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_fdde918a-7e8d-4574-80ec-dd50636d8b9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_5fbeec37-216e-4aec-84f9-7b3f56f7d026" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_5fbeec37-216e-4aec-84f9-7b3f56f7d026" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_d38cf9ef-f151-400f-8658-a7336522d848" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_d38cf9ef-f151-400f-8658-a7336522d848" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_4fa7ee07-8ef4-489f-81cd-216c6be08a11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_4fa7ee07-8ef4-489f-81cd-216c6be08a11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear_45e354aa-95d6-4ecf-b4a3-e6f10279c7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear_45e354aa-95d6-4ecf-b4a3-e6f10279c7d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_970e91db-c4b9-40ad-b47c-9e5ed9d3df6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_970e91db-c4b9-40ad-b47c-9e5ed9d3df6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_190f5cb4-bfc9-41ff-9a14-c0d9d642f3d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_75702176-50eb-45f1-af21-9dd1ea04439e" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_190f5cb4-bfc9-41ff-9a14-c0d9d642f3d8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/AccruedandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#AccruedandOtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/AccruedandOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_2d131ee2-3fb2-4a2a-8504-7db591b1b907" xlink:href="dbx-20250331.xsd#dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_d67e8722-98e3-4c9f-a876-7e76d1e07ae8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedProfessionalFeesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_2d131ee2-3fb2-4a2a-8504-7db591b1b907" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_d67e8722-98e3-4c9f-a876-7e76d1e07ae8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_OtherAccruedLiabilitiesAndOtherLiabilitiesCurrent_8ce6eed4-b4bf-474e-ba39-1ee0cd78cb1b" xlink:href="dbx-20250331.xsd#dbx_OtherAccruedLiabilitiesAndOtherLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_2d131ee2-3fb2-4a2a-8504-7db591b1b907" xlink:to="loc_dbx_OtherAccruedLiabilitiesAndOtherLiabilitiesCurrent_8ce6eed4-b4bf-474e-ba39-1ee0cd78cb1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_709f5318-2106-40ea-8d90-37928fe98606" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_2d131ee2-3fb2-4a2a-8504-7db591b1b907" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_709f5318-2106-40ea-8d90-37928fe98606" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_2c7d680a-dab3-4a0f-a52b-627d83cca5c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dbx_AccruedLiabilitiesandOtherLiabilitiesCurrent_2d131ee2-3fb2-4a2a-8504-7db591b1b907" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_2c7d680a-dab3-4a0f-a52b-627d83cca5c1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.dropbox.com/role/NetIncomePerShareScheduleofNumeratorsandDenominatorsofBasicandDilutedEPSComputationsDetails" xlink:type="simple" xlink:href="dbx-20250331.xsd#NetIncomePerShareScheduleofNumeratorsandDenominatorsofBasicandDilutedEPSComputationsDetails"/>
  <link:calculationLink xlink:role="http://www.dropbox.com/role/NetIncomePerShareScheduleofNumeratorsandDenominatorsofBasicandDilutedEPSComputationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8322b95a-47ef-431c-b82f-f287087f94dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_50fd4dfa-8397-4db3-9e35-0abe4c9e21b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8322b95a-47ef-431c-b82f-f287087f94dd" xlink:to="loc_us-gaap_NetIncomeLoss_50fd4dfa-8397-4db3-9e35-0abe4c9e21b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_2f44b16e-d8fe-4855-84c9-8bbc852d14c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8322b95a-47ef-431c-b82f-f287087f94dd" xlink:to="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_2f44b16e-d8fe-4855-84c9-8bbc852d14c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_DilutiveSecuritiesEffectOnBasicEPSDilutiveEffectOfReallocation_a06cf113-084a-4fca-b2cc-14262c19ebbb" xlink:href="dbx-20250331.xsd#dbx_DilutiveSecuritiesEffectOnBasicEPSDilutiveEffectOfReallocation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8322b95a-47ef-431c-b82f-f287087f94dd" xlink:to="loc_dbx_DilutiveSecuritiesEffectOnBasicEPSDilutiveEffectOfReallocation_a06cf113-084a-4fca-b2cc-14262c19ebbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2ed557bb-d154-4d90-88d4-79d18b26cabf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_74f17c25-55f6-4750-ad50-d0bd7fb48987" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2ed557bb-d154-4d90-88d4-79d18b26cabf" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_74f17c25-55f6-4750-ad50-d0bd7fb48987" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_37ee3629-3073-4c17-b665-66d26be6d0e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2ed557bb-d154-4d90-88d4-79d18b26cabf" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_37ee3629-3073-4c17-b665-66d26be6d0e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_dbx_IncrementalCommonSharesAttributabletoDilutiveEffectofConversionofCommonStock_a29bab8d-aa69-44c4-8aff-0ab6850edf6b" xlink:href="dbx-20250331.xsd#dbx_IncrementalCommonSharesAttributabletoDilutiveEffectofConversionofCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2ed557bb-d154-4d90-88d4-79d18b26cabf" xlink:to="loc_dbx_IncrementalCommonSharesAttributabletoDilutiveEffectofConversionofCommonStock_a29bab8d-aa69-44c4-8aff-0ab6850edf6b" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
