Open Another Mailbox in Outlook 365


How do I open another mailbox in Outlook 365?


  • Outlook 365


  • Navigate to Outlook 365
  • Login to your Account.
  • In the top right-hand corner, left-click on your initials (or picture).
  • Select Open another mailbox

 Note: If you do not have the option to Open another mailbox use this URL in your address bar in the browser window: You will replace the email address with the part that says

  • Enter the full email address of the mailbox you would like to open.

  • Once you start to fill out the email address it may auto-fill for you. 


  • If you have permission to the mailbox you will be brought to the inbox. If you do not have permissions to the mailbox you will get an error message.


 Note: If the mailbox doesn't auto-populate select Search Directory




Article ID: 67706
Tue 11/27/18 12:22 PM
Thu 11/30/23 2:02 PM

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