To activate Microsoft 365 Exchange Online backup, you must set up a Microsoft 365 admin account that have impersonation and is a member of the Management Group. For this:

  1. Sign in to your Microsoft 365 admin account.

  2. Click App Launcher (office-app-launcher.png) on the upper left, and then click Admin (office-admin-centers.png) in the open menu.

  3. In the main menu, click Admin centers, and then click Exchange.

  4. In the Exchange admin center, go to permissions, and then double-click Discovery Management on the admin roles tab.

  5. In the Roles group, click Add (office-add.png), select ApplicationImpersonation, and then click OK.

  6. Click Save.

  7. Double-click Organization Management.

  8. In the Roles group, click Add (office-add.png), select ApplicationImpersonation, and then click OK.

  9. Click Save.

Important

If you use multi-factor authentication for Microsoft 365, you need to create an app password for your Microsoft 365 admin account, and use it to authenticate your CAB backups.