With your mail on view, click the icon in the top left of the screen.
Click the ‘Office’ icon to view mail in all mailboxes in one list (1)
OR
Click the initial of the account you wish to view (2).
With your mail on view, click the icon in the top left of the screen.Click the ‘Office’ icon to view mail in all mailboxes in one list (1)OR
Click the initial of the account you wish to view (2).