To enable Auto Expanding Archive for users with E3/E5 licenses, please do the following.
Before we begin, you will need approval from Kevin or Lawrence, and the user must have an E3 or higher license on Office365.
1. Connect to exchang online via PowerShell or TerminalL
connect-ExchangeOnline -UserPrincipalName <User UPN>
2. Verify that status of the Auto Expanding Archive:
Get-Mailbox <User's UPN> | FL AutoExpandingArchiveEnabled
3. It should return something like this:
AutoExpandingArchiveEnabled : True or False
4. If false, to enable, run the following command:
Enable-Mailbox <User's UPN> -AutoExpandingArchive
5. Verify again, if the following output is true, then done.
AutoExpandingArchiveEnabled : True
6.
exit