Web Application

  1. On the top-right of the browser window, click the avatar icon and select 'Open another mailbox'
  2. Type the name of the mailbox and select it from the suggestions drop-down menu. Then press 'Open'


Desktop Application

  1. In the Outlook Application, on the top menu, navigate to File > Open > Shared Mailbox
  2. Search for the name of the account and press 'Add
  3. You will see the additional mailbox on the left-hand side panel