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

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:2cc9eb8a-31f4-4b18-a4ee-09274bd8a157,g:ff867c47-214e-4810-b544-34b322e19df7-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:cvlt="http://www.commvault.com/20230331" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.commvault.com/20230331">
  <xs:import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cvlt-20230331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cvlt-20230331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cvlt-20230331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cvlt-20230331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Coverpage" roleURI="http://www.commvault.com/role/Coverpage">
        <link:definition>0000001 - Document - Cover page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.commvault.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.commvault.com/role/ConsolidatedBalanceSheets">
        <link:definition>0000003 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.commvault.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>0000004 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperations" roleURI="http://www.commvault.com/role/ConsolidatedStatementsofOperations">
        <link:definition>0000005 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncomeLoss" roleURI="http://www.commvault.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss">
        <link:definition>0000006 - Statement - Consolidated Statements of Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofStockholdersEquity" roleURI="http://www.commvault.com/role/ConsolidatedStatementsofStockholdersEquity">
        <link:definition>0000007 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.commvault.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>0000008 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NatureofBusiness" roleURI="http://www.commvault.com/role/NatureofBusiness">
        <link:definition>0000009 - Disclosure - Nature of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.commvault.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>0000010 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Revenue" roleURI="http://www.commvault.com/role/Revenue">
        <link:definition>0000011 - Disclosure - Revenue</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombination" roleURI="http://www.commvault.com/role/BusinessCombination">
        <link:definition>0000012 - Disclosure - Business Combination</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNet" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNet">
        <link:definition>0000013 - Disclosure - Goodwill and Intangible Assets, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSale" roleURI="http://www.commvault.com/role/AssetsHeldforSale">
        <link:definition>0000014 - Disclosure - Assets Held for Sale</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipment" roleURI="http://www.commvault.com/role/PropertyandEquipment">
        <link:definition>0000015 - Disclosure - Property and Equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilities" roleURI="http://www.commvault.com/role/AccruedLiabilities">
        <link:definition>0000016 - Disclosure - Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.commvault.com/role/CommitmentsandContingencies">
        <link:definition>0000017 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Capitalization" roleURI="http://www.commvault.com/role/Capitalization">
        <link:definition>0000018 - Disclosure - Capitalization</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlans" roleURI="http://www.commvault.com/role/StockPlans">
        <link:definition>0000019 - Disclosure - Stock Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.commvault.com/role/IncomeTaxes">
        <link:definition>0000020 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlan" roleURI="http://www.commvault.com/role/EmployeeBenefitPlan">
        <link:definition>0000021 - Disclosure - Employee Benefit Plan</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.commvault.com/role/SegmentInformation">
        <link:definition>0000022 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Restructuring" roleURI="http://www.commvault.com/role/Restructuring">
        <link:definition>0000023 - Disclosure - Restructuring</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.commvault.com/role/Leases">
        <link:definition>0000024 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevolvingCreditFacility" roleURI="http://www.commvault.com/role/RevolvingCreditFacility">
        <link:definition>0000025 - Disclosure - Revolving Credit Facility</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.commvault.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>0000026 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesTables" roleURI="http://www.commvault.com/role/SummaryofSignificantAccountingPoliciesTables">
        <link:definition>0000027 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueTables" roleURI="http://www.commvault.com/role/RevenueTables">
        <link:definition>0000028 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationTables" roleURI="http://www.commvault.com/role/BusinessCombinationTables">
        <link:definition>0000029 - Disclosure - Business Combination (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetTables" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNetTables">
        <link:definition>0000030 - Disclosure - Goodwill and Intangible Assets, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentTables" roleURI="http://www.commvault.com/role/PropertyandEquipmentTables">
        <link:definition>0000031 - Disclosure - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesTables" roleURI="http://www.commvault.com/role/AccruedLiabilitiesTables">
        <link:definition>0000032 - Disclosure - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesTables" roleURI="http://www.commvault.com/role/CommitmentsandContingenciesTables">
        <link:definition>0000033 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansTables" roleURI="http://www.commvault.com/role/StockPlansTables">
        <link:definition>0000034 - Disclosure - Stock Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.commvault.com/role/IncomeTaxesTables">
        <link:definition>0000035 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.commvault.com/role/SegmentInformationTables">
        <link:definition>0000036 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringTables" roleURI="http://www.commvault.com/role/RestructuringTables">
        <link:definition>0000037 - Disclosure - Restructuring (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.commvault.com/role/LeasesTables">
        <link:definition>0000038 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesAdditionalInformationDetails" roleURI="http://www.commvault.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetails">
        <link:definition>0000039 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesComputationofBasicandDilutedNetIncomelossPerCommonShareDetails" roleURI="http://www.commvault.com/role/SummaryofSignificantAccountingPoliciesComputationofBasicandDilutedNetIncomelossPerCommonShareDetails">
        <link:definition>0000040 - Disclosure - Summary of Significant Accounting Policies - Computation of Basic and Diluted Net Income (loss) Per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueAdditionalInformationDetails" roleURI="http://www.commvault.com/role/RevenueAdditionalInformationDetails">
        <link:definition>0000041 - Disclosure - Revenue - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueAdditionalInformationDetails_1" roleURI="http://www.commvault.com/role/RevenueAdditionalInformationDetails_1">
        <link:definition>0000041 - Disclosure - Revenue - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenuePerformanceObligationsDetails" roleURI="http://www.commvault.com/role/RevenuePerformanceObligationsDetails">
        <link:definition>0000042 - Disclosure - Revenue - Performance Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueDisaggregationofRevenueDetails" roleURI="http://www.commvault.com/role/RevenueDisaggregationofRevenueDetails">
        <link:definition>0000043 - Disclosure - Revenue - Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueOpeningandClosingBalancesofAccountsReceivablesUnbilledReceivablesandDeferredRevenuesDetailsDetails" roleURI="http://www.commvault.com/role/RevenueOpeningandClosingBalancesofAccountsReceivablesUnbilledReceivablesandDeferredRevenuesDetailsDetails">
        <link:definition>0000044 - Disclosure - Revenue - Opening and Closing Balances of Accounts Receivables, Unbilled Receivables, and Deferred Revenues (Details) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationAdditionalInformationDetails" roleURI="http://www.commvault.com/role/BusinessCombinationAdditionalInformationDetails">
        <link:definition>0000045 - Disclosure - Business Combination - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationSummarizesPurchasePriceandPreliminaryPurchasePriceAllocationDetails" roleURI="http://www.commvault.com/role/BusinessCombinationSummarizesPurchasePriceandPreliminaryPurchasePriceAllocationDetails">
        <link:definition>0000046 - Disclosure - Business Combination - Summarizes Purchase Price and Preliminary Purchase Price Allocation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetAdditionalInformationDetails" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNetAdditionalInformationDetails">
        <link:definition>0000047 - Disclosure - Goodwill and Intangible Assets, Net - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetGoodwillDetails" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNetGoodwillDetails">
        <link:definition>0000048 - Disclosure - Goodwill and Intangible Assets, Net - Goodwill (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetIntangibleAssetsNetDetails" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNetIntangibleAssetsNetDetails">
        <link:definition>0000049 - Disclosure - Goodwill and Intangible Assets, Net - Intangible Assets, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetScheduleofEstimatedFutureAmortizationExpensesDetails" roleURI="http://www.commvault.com/role/GoodwillandIntangibleAssetsNetScheduleofEstimatedFutureAmortizationExpensesDetails">
        <link:definition>0000050 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Estimated Future Amortization Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSaleDetails" roleURI="http://www.commvault.com/role/AssetsHeldforSaleDetails">
        <link:definition>0000051 - Disclosure - Assets Held for Sale (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentScheduleofPropertyandEquipmentDetails" roleURI="http://www.commvault.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails">
        <link:definition>0000052 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentAdditionalInformationDetails" roleURI="http://www.commvault.com/role/PropertyandEquipmentAdditionalInformationDetails">
        <link:definition>0000053 - Disclosure - Property and Equipment - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesDetails" roleURI="http://www.commvault.com/role/AccruedLiabilitiesDetails">
        <link:definition>0000054 - Disclosure - Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.commvault.com/role/CommitmentsandContingenciesDetails">
        <link:definition>0000055 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizationDetails" roleURI="http://www.commvault.com/role/CapitalizationDetails">
        <link:definition>0000056 - Disclosure - Capitalization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansAdditionalInformationDetails" roleURI="http://www.commvault.com/role/StockPlansAdditionalInformationDetails">
        <link:definition>0000057 - Disclosure - Stock Plans - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansStockBasedCompensationExpenseDetails" roleURI="http://www.commvault.com/role/StockPlansStockBasedCompensationExpenseDetails">
        <link:definition>0000058 - Disclosure - Stock Plans - Stock-Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansStockOptionActivityDetails" roleURI="http://www.commvault.com/role/StockPlansStockOptionActivityDetails">
        <link:definition>0000059 - Disclosure - Stock Plans - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansRestrictedStockUnitActivityDetails" roleURI="http://www.commvault.com/role/StockPlansRestrictedStockUnitActivityDetails">
        <link:definition>0000060 - Disclosure - Stock Plans - Restricted Stock Unit Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansPerformanceBasedAwardsDetails" roleURI="http://www.commvault.com/role/StockPlansPerformanceBasedAwardsDetails">
        <link:definition>0000061 - Disclosure - Stock Plans - Performance Based Awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansAwardswithaMarketConditionDetails" roleURI="http://www.commvault.com/role/StockPlansAwardswithaMarketConditionDetails">
        <link:definition>0000062 - Disclosure - Stock Plans - Awards with a Market Condition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockPlansEmployeeStockPurchasePlanDetails" roleURI="http://www.commvault.com/role/StockPlansEmployeeStockPurchasePlanDetails">
        <link:definition>0000063 - Disclosure - Stock Plans - Employee Stock Purchase Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesAdditionalInformationDetails" roleURI="http://www.commvault.com/role/IncomeTaxesAdditionalInformationDetails">
        <link:definition>0000064 - Disclosure - Income Taxes - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofIncomeBeforeIncomeTaxesDetails" roleURI="http://www.commvault.com/role/IncomeTaxesComponentsofIncomeBeforeIncomeTaxesDetails">
        <link:definition>0000065 - Disclosure - Income Taxes - Components of Income Before Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofIncomeTaxExpenseBenefitDetails" roleURI="http://www.commvault.com/role/IncomeTaxesComponentsofIncomeTaxExpenseBenefitDetails">
        <link:definition>0000066 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesReconciliationofStatutoryTaxRatesandEffectiveTaxRatesDetails" roleURI="http://www.commvault.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesandEffectiveTaxRatesDetails">
        <link:definition>0000067 - Disclosure - Income Taxes - Reconciliation of Statutory Tax Rates and Effective Tax Rates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.commvault.com/role/IncomeTaxesComponentsofDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>0000068 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesReconciliationofAmountsofUnrecognizedTaxBenefitsDetails" roleURI="http://www.commvault.com/role/IncomeTaxesReconciliationofAmountsofUnrecognizedTaxBenefitsDetails">
        <link:definition>0000069 - Disclosure - Income Taxes - Reconciliation of Amounts of Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlanAdditionalInformationDetails" roleURI="http://www.commvault.com/role/EmployeeBenefitPlanAdditionalInformationDetails">
        <link:definition>0000070 - Disclosure - Employee Benefit Plan - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationAdditionalInformationDetails" roleURI="http://www.commvault.com/role/SegmentInformationAdditionalInformationDetails">
        <link:definition>0000071 - Disclosure - Segment Information - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofRevenuebyGeographicAreaDetails" roleURI="http://www.commvault.com/role/SegmentInformationScheduleofRevenuebyGeographicAreaDetails">
        <link:definition>0000072 - Disclosure - Segment Information - Schedule of Revenue by Geographic Area (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofLongLivedAssetsbyGeographicAreaDetails" roleURI="http://www.commvault.com/role/SegmentInformationScheduleofLongLivedAssetsbyGeographicAreaDetails">
        <link:definition>0000073 - Disclosure - Segment Information - Schedule of Long-Lived Assets by Geographic Area (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringRestructuringChargesDetails" roleURI="http://www.commvault.com/role/RestructuringRestructuringChargesDetails">
        <link:definition>0000074 - Disclosure - Restructuring - Restructuring Charges (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringActivityinRestructuringAccrualsDetails" roleURI="http://www.commvault.com/role/RestructuringActivityinRestructuringAccrualsDetails">
        <link:definition>0000075 - Disclosure - Restructuring - Activity in Restructuring Accruals (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesNetLeaseCostsRecognizedDetails" roleURI="http://www.commvault.com/role/LeasesNetLeaseCostsRecognizedDetails">
        <link:definition>0000076 - Disclosure - Leases - Net Lease Costs Recognized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesCashFlowInformationDetails" roleURI="http://www.commvault.com/role/LeasesCashFlowInformationDetails">
        <link:definition>0000077 - Disclosure - Leases - Cash Flow Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesMaturitiesofLeaseLiabilitiesDetails" roleURI="http://www.commvault.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails">
        <link:definition>0000078 - Disclosure - Leases - Maturities of Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesMaturitiesofLeaseLiabilitiesDetails_1" roleURI="http://www.commvault.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails_1">
        <link:definition>0000078 - Disclosure - Leases - Maturities of Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesScheduleofLeaseTermandDiscountRateDetails" roleURI="http://www.commvault.com/role/LeasesScheduleofLeaseTermandDiscountRateDetails">
        <link:definition>0000079 - Disclosure - Leases - Schedule of Lease Term and Discount Rate (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevolvingCreditFacilityDetails" roleURI="http://www.commvault.com/role/RevolvingCreditFacilityDetails">
        <link:definition>0000080 - Disclosure - Revolving Credit Facility (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="cvlt_ContractWithCustomerLiabilityNoncurrentIncreaseDecrease" abstract="false" name="ContractWithCustomerLiabilityNoncurrentIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_EffectiveIncomeTaxRateReconciliationTaxReservesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxReservesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_ProfessionalServicesEducationServicesMember" abstract="true" name="ProfessionalServicesEducationServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ContractWithCustomerAssetNetCurrentRollForward" abstract="true" name="ContractWithCustomerAssetNetCurrentRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_ArrowMember" abstract="true" name="ArrowMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_FairValueOfRestrictedStockUnitsVestedTotal" abstract="false" name="FairValueOfRestrictedStockUnitsVestedTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_SourcesOfPrimaryRevenue" abstract="false" name="SourcesOfPrimaryRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cvlt_ScheduleOfLeaseTermAndDiscountRateTableTextBlock" abstract="false" name="ScheduleOfLeaseTermAndDiscountRateTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cvlt_ScheduleOfTaxYearsSubjectToIncomeTaxExaminationTableTextBlock" abstract="false" name="ScheduleOfTaxYearsSubjectToIncomeTaxExaminationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cvlt_SummaryOfSignificantAccountingPoliciesLineItems" abstract="true" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_CostOfServicesRevenueMember" abstract="true" name="CostOfServicesRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ContractWithCustomerLiabilityNoncurrentRollForward" abstract="true" name="ContractWithCustomerLiabilityNoncurrentRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_OperatingLeaseImpairmentLossNumberOfLeases" abstract="false" name="OperatingLeaseImpairmentLossNumberOfLeases" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpenses" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_ContractWithCustomerLiabilityCurrentIncreaseDecrease" abstract="false" name="ContractWithCustomerLiabilityCurrentIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_AssetImpairmentChargesExcludingImpairmentOfOperatingLeaseAssets" abstract="false" name="AssetImpairmentChargesExcludingImpairmentOfOperatingLeaseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeTax" abstract="false" name="EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeTax" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_AccruedCompensationAndRelatedPayrollTax" abstract="false" name="AccruedCompensationAndRelatedPayrollTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_ContractWithCustomerAssetNetNoncurrentRollForward" abstract="true" name="ContractWithCustomerAssetNetNoncurrentRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cvlt_EffectiveIncomeTaxRateReconciliationPermanentDifferences" abstract="false" name="EffectiveIncomeTaxRateReconciliationPermanentDifferences" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_CustomerSupportMember" abstract="true" name="CustomerSupportMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_CustomerSupportAgreementTerm" abstract="false" name="CustomerSupportAgreementTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cvlt_TrapXSecurityMember" abstract="true" name="TrapXSecurityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_DeferredTaxAssetsWithholdingTaxes" abstract="false" name="DeferredTaxAssetsWithholdingTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_EffectiveIncomeTaxRateReconciliationCARESActImpactPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationCARESActImpactPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPreAcquisitionTaxContingencies" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPreAcquisitionTaxContingencies" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_ForeignTaxCreditsMember" abstract="true" name="ForeignTaxCreditsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_SoftwareLicensesMember" abstract="true" name="SoftwareLicensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_SeniorSecuredRevolvingCreditFacilityMember" abstract="true" name="SeniorSecuredRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_PerformanceStockUnitsGrantedInJune2021Member" abstract="true" name="PerformanceStockUnitsGrantedInJune2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_PerformanceStockUnitsGrantedInMay2021Member" abstract="true" name="PerformanceStockUnitsGrantedInMay2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPotentialToVestPercent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPotentialToVestPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_SharebasedCompensationArrangementbySharebasedPaymentAwardMaximumAnnualPurchasesPerEmployeeAmount" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardMaximumAnnualPurchasesPerEmployeeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_DeferredRevenueNoncurrentMember" abstract="true" name="DeferredRevenueNoncurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_MaximumSoftwareWarrantyPeriod" abstract="false" name="MaximumSoftwareWarrantyPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cvlt_IncreaseDecreaseInDeferredSalesCommissions" abstract="false" name="IncreaseDecreaseInDeferredSalesCommissions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_CorporateHeadquartersInTintonFallsNJMember" abstract="true" name="CorporateHeadquartersInTintonFallsNJMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ContractWithCustomerAssetNetCurrentIncreaseDecrease" abstract="false" name="ContractWithCustomerAssetNetCurrentIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_ScheduleOfRoyaltyExpenseTableTextBlock" abstract="false" name="ScheduleOfRoyaltyExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cvlt_DeferredRevenueCurrentMember" abstract="true" name="DeferredRevenueCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_SummaryOfSignificantAccountingPoliciesTable" abstract="true" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_IncreaseDecreaseInOperatingLeaseRightOfUseAsset" abstract="false" name="IncreaseDecreaseInOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractWithCustomerLiability" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractWithCustomerLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_SubscriptionArrangementTerm" abstract="false" name="SubscriptionArrangementTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cvlt_InternationalMember" abstract="true" name="InternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ProfessionalServicesOtherMember" abstract="true" name="ProfessionalServicesOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ContractWithCustomerLiabilityCurrentRollForward" abstract="true" name="ContractWithCustomerLiabilityCurrentRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualVestingTranches" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualVestingTranches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPotentialToVestShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPotentialToVestShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cvlt_AccountsReceivableRollForward" abstract="true" name="AccountsReceivableRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_NoncashChangeInFairValueOfEquitySecurities" abstract="false" name="NoncashChangeInFairValueOfEquitySecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_RevenuePerformanceObligationDescriptionOfPaymentTermsPeriod" abstract="false" name="RevenuePerformanceObligationDescriptionOfPaymentTermsPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cvlt_DeferredTaxLiabilitiesDeferredCommissions" abstract="false" name="DeferredTaxLiabilitiesDeferredCommissions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_IncreaseDecreaseInOperatingLeaseRightOfUseAssetAndLiabilityNet" abstract="false" name="IncreaseDecreaseInOperatingLeaseRightOfUseAssetAndLiabilityNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_RecordedUnconditionalPurchaseObligationToBePaidYearFourAndThereafter" abstract="false" name="RecordedUnconditionalPurchaseObligationToBePaidYearFourAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_EffectiveIncomeTaxRateReconciliationReductionOfNOLForCarrybackPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationReductionOfNOLForCarrybackPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cvlt_A2016IncentivePlanMember" abstract="true" name="A2016IncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_StockRepurchasesPolicyPolicyTextBlock" abstract="false" name="StockRepurchasesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cvlt_DeferredTaxAssetsRDCapitalization" abstract="false" name="DeferredTaxAssetsRDCapitalization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cvlt_PerformanceStockUnitsMember" abstract="true" name="PerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cvlt_ContractWithCustomerAssetNetNoncurrentIncreaseDecrease" abstract="false" name="ContractWithCustomerAssetNetNoncurrentIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
