Welcome to the Google Vault Help CenterGet Started with VaultWhat is Google Vault?Supported data typesGet started: Vault administratorsGet started with search and exportGet started: Postini customersWhat's new in VaultBilling and LicensingBuy Google VaultStart a free 30-day Vault trialBilling for Google VaultAssign Vault licensesVault license FAQAbout upgrading to G Suite Business or G Suite EnterpriseAbout canceling VaultAccess VaultSign inControl who can sign in to VaultUnderstand and grant Vault privilegesAllow an external user to access VaultRetentionHow retention worksSet retention rules for mail and classic HangoutsSet retention rules for DriveSet retention rules for GroupsSet retention rules for Hangouts ChatManage retention and holdsVault retention FAQMattersOrganize and create mattersAdd and remove collaboratorsHoldsPlace mail and classic Hangouts on holdPlace Drive on holdPlace Google Groups on holdPlace Hangouts Chat messages on holdHolds FAQSearchGet started with search and exportUse search operatorsSearch mail and classic HangoutsSearch Google DriveSearch Google GroupsSearch Hangouts ChatSaving search queriesVault search FAQExports and AuditsHow Vault exports workExport search resultsUnderstand auditsAdditional Information about VaultGoogle Vault FAQVault glossaryUse Vault to restore Gmail messagesInformation for former Postini customersKnown IssuesHangouts messages in VaultAdministrators without Vault licenses may be unable to sign in to VaultSearching, previewing, and exporting files in Google DrivePreserving data for users who leave your organizationVault and client side S/MIME signatures in Gmail (FIXED)