You can add a shared mailbox to Outlook across platforms including Windows, macOS, and the web. The Microsoft 365 admin must ...

To apply a retention policy to a shared mailbox, you need to create retention tags and a new retention policy, attach the tags to the policy, and then apply the policy to the shared mailbox.

Delegated Mailboxes are used to provide access to a shared mailbox by authorised users within a team such as Registry Offices, etc. If you have been authorised to access a delegated mailbox, but your ...