# Excluding an Individual Mailbox from Exchange Online Backup Content

You can manually remove individual mailboxes from Exchange Online backup content using the Exclude Content tool. When you exclude a mailbox, backup jobs no longer run on that mailbox.

For users who have been manually excluded from a backup, the discovery type becomes manual. These users do not consume an application user license.

Important

- For excluded users with manual discovery type and are Active in Azure:

  - The back-end sync process will continue to scan such mailboxes and mark the deleted emails as soft deleted.

  - All active emails remain in the Active state and will be counted against the existing capacity.

- For excluded users with manual discovery type and are Deleted in Azure:

  - The back-end sync process will attempt and fail to scan such mailboxes as the mailbox will be deleted from Azure as well.

  - All emails from such mailboxes which were in the Active state when the mailbox was deleted will continue to remain active and will be counted against the existing capacity.

## 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 Exclude content from backup, and then click Next.

   The Exclude 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 exclude from backups, and then click Next.

   The Summary tab appears.

7. Click Submit.

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