QUICK ANSWER To create a shared mailbox in Outlook, log in to Microsoft 365 with an administrator account, then select Teams & Groups > Shared mailboxes > + Add a shared mailbox. Enter the mailbox ...

Running out of mailbox space? This guide shows how to check and increase Mailbox size limit in MS Outlook, new Outlook app and Outlook.com.

If you keep getting the "Your mailbox is almost full" warning message from Outlook 365, use these methods to free up space in your mailbox.

I am using Outlook 2010 and I have my main mailbox, as well as two additional shared mailboxes. If someone sends me an email message then my alert plays, but if a message goes to either of the ...