OneDrive retention and deletion
This article describes how you can manage a user's OneDrive when you delete the user's Microsoft 365 account for your organization, and what steps happen automatically.
Deleting a user from the Microsoft 365 admin center
When you delete a user from the Active users page in the Microsoft 365 admin center, you can choose what you want to do with the user's product licenses, email, and OneDrive. For more info, see Delete a user from your organization.
If you give another user access to the OneDrive, that user will have 30 days by default to access and download the files they want to keep. (To change the retention time, see Set the OneDrive retention for deleted users.) They'll receive an email with a link to these instructions for accessing the deleted user's OneDrive: Copy files from another user's OneDrive.
Configure automatic access delegation
By default, when a user is deleted, the user's manager is automatically given access to the user's OneDrive. Follow these steps to confirm that this automatic access delegation is enabled for your organization, and to set a secondary owner in case a user doesn't have a specified manager. If access delegation is disabled or a manager or secondary owner isn't set for a user, no one will have automatic access when the user is deleted or be warned that the OneDrive will be deleted.
If you have Office 365 operated by 21Vianet (China), sign in to the Microsoft 365 admin center, then browse to the SharePoint admin center and open the More features page.
Under User profiles, select Open.
Under My Site Settings, select Setup My Sites.
Next to My Site Cleanup, make sure Enable access delegation is selected.
We recommend that you also specify a secondary owner account in the My Site Cleanup section. This account will be the appointed owner of the OneDrive if the user's manager isn't set in Azure AD. Email notifications will also be sent to the secondary owner account when the value is populated.
The OneDrive deletion process
A user is deleted from the Microsoft 365 admin center or is removed through Active Directory synchronization.
The account deletion is synchronized to SharePoint.
The OneDrive Clean Up Job runs, and the OneDrive is marked for deletion. The deleted user will appear in the Microsoft 365 admin center for 30 days. The default retention period for OneDrive is also 30 days, but you can change this in the SharePoint admin center (see Set the OneDrive retention for deleted users) or by using the PowerShell cmdlet
SetSPOTenant -OrphanedPersonalSitesRetentionPeriod <int32>. For more information about using this cmdlet, see Set-SPOTenant.
If a manager is specified for the deleted user, the manager will receive an email telling them they have access to the OneDrive, and that the OneDrive will be deleted at the end of the retention period. For info about specifying a user's manager in the Azure Active Directory admin center, see Add or update a user's profile information.
If a manager isn't specified for the user account, but a secondary owner was entered in the SharePoint admin center, the secondary owner will receive an email telling them they have access to the OneDrive, and that the OneDrive will be deleted at the end of the retention period.
Seven days before the retention period expires, a second email will be sent to the manager or secondary owner as a reminder that the OneDrive will be deleted in seven days.
After seven days, the OneDrive for the deleted user is moved to the site collection recycle bin, where it is kept for 93 days. During this time, users will no longer be able to access any shared content in the OneDrive. To restore the OneDrive, you need to use PowerShell. For info, see Restore a deleted OneDrive.
The Recycle Bin is not indexed and therefore searches do not find content there. This means that an eDiscovery hold can't locate any content in the Recycle Bin in order to hold it.
Retention policies always take precedence to the standard OneDrive deletion process, so content included in a policy could be deleted before 30 days or retained for longer than the OneDrive retention. For more info, see Overview of retention policies. Likewise, if a OneDrive is put on hold as part of an eDiscovery case, managers and secondary owners will be sent email about the pending deletion, but the OneDrive won't be deleted until the hold is removed.
The retention period for cleanup of OneDrive begins when a user account is deleted from Azure Active Directory. No other action will cause the cleanup process to occur, including blocking the user from signing in or removing the user's license. For info about removing a user's license, see Remove licenses from users in Microsoft 365 for business.
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