By default, Veeam Backup for Microsoft Office 365 will back up all the folders existing in the mailboxes.
To exclude certain folders, do the following:
- Open Veeam Backup for Microsoft Office 365.
- Go to the main menu and click Options.
- Go to the Folders tab.
- Select mailbox folders you want to exclude and click OK.
The following folders are excluded by default: Junk E-Mail, Sync Issues, In-Place Hold Items and Litigation Hold Items (if applicable).