- Planning and configuring information retention:
- Overview of retention policies: https://docs.microsoft.com/en-us/office365/securitycompliance/retention-policies
- Planning for a Microsoft 365 backup:
- Back up data before switching Office 365 for business plans: https://docs.microsoft.com/en-us/office365/admin/subscriptions-and-billing/back-up-data-before-switching-plans?view=o365-worldwide
- Planning for restoring deleted content:
- Exchange:
- Overview of inactive mailboxes in Office 365: https://docs.microsoft.com/en-us/office365/securitycompliance/inactive-mailboxes-in-office-365
- Restore an inactive mailbox in Office 365: https://docs.microsoft.com/en-us/office365/securitycompliance/restore-an-inactive-mailbox
- Recover an inactive mailbox in Office 365: https://docs.microsoft.com/en-us/office365/securitycompliance/recover-an-inactive-mailbox
- SharePoint...
- Exchange: