Welcome to the Google Apps Vault Help CenterGet Started with VaultWhat is Google Apps Vault?Supported data typesGet started: Vault administratorsGet started with search and exportGet started: Postini customersWhat's new in VaultBilling and LicensingBuy Google Apps VaultStart a free 30-day Vault trialBilling for Google Apps VaultAssign Vault licensesVault license FAQAbout upgrading to Google Apps UnlimitedAbout canceling VaultAccess VaultSign inControl who can sign in to VaultUnderstand and grant Vault privilegesAllow an external user to access VaultRetentionHow retention worksSet retention rulesCheck your Vault settingsVault retention FAQMattersOrganize and create mattersAdd and remove collaboratorsHoldsCreate holdsSearchGet started with search and exportSearch for email and chat messagesSearch Drive for filesUsing search operatorsPreview search resultsExport search resultsSaving search queriesVault search FAQExports and AuditsHow Vault exports workExport search resultsUnderstand auditsAdditional Information about VaultGoogle Apps Vault FAQVault glossaryUse Vault to restore Gmail messagesKnown 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 organization