# Adding a Mailbox to the Exchange Online App

You can manually add a mailbox to Exchange Online backup content. Manually added mailboxes will appear on both the Content tab and the Mailboxes tab for the Exchange Online app.

Note

To limit the access of the Azure app to only specific Exchange Online mailboxes, see Limiting application permissions to specific Exchange Online mailboxes.

If you need to back up an Exchange Online archive mailbox for compliance purposes, contact Commvault Cloud Support.

## Procedure

1. From the Command Center navigation pane, go to Protect > Microsoft 365.

   The Microsoft 365 Overview page appears.

2. On the Apps tab, click the app.

   The Overview page of the app appears.

3. On the Content tab, in the upper-right area of the page click Add.

   The Configure Content page appears.

4. Select Add content to backup, and then click Next.

   The Add Content tool appears.

5. Under Standard, select Mailboxes, and then click Next.

   The Content tab appears.

6. In the list, select the mailboxes that you want to back up, and then click Next.

   The Microsoft 365 Protection Plan tab appears.

7. From the Microsoft 365 Protection Plan list, select the plan to use for the AD groups, and then click Next.

   The Summary tab appears.

8. Click Submit.

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