For example, if a DPT says delete all items in 5 years ... can create and apply retention policies to shared mailboxes in Office 365. It is required to have at least 10 MB of data in mailboxes ...
How to Add a Shared Mailbox to Outlook on Windows Before you can add a shared mailbox to Outlook, the Office 365 admin must grant ... Unfortunately, there’s no way to remove it from the shared ...