Accessing a Shared Mailbox in a Web Browser (Office 365 Online Portal)

The following instructions will assist you in mapping a shared mailbox in https://portal.office.com. Anytime you log out of portal, you will have to complete these instructions again. The shared mailbox is only stays mapped during a single login session. 

Accessing Shared Mailboxes in the Office 365 Online Portal

  1. Login to https://portal.office.com and select Outlook from the list of applications. 

    Screenshot of the Microsoft Online Portal with a red box around the Outlook option and a red arrow pointing towards the Outlook option.
     
  2. Click on your name in the top right-hand corner to open up the My Accounts menu.

    Screenshot of Outlook online with a red box around the user's name.
     
  3. From the My Accounts menu, click on the Open another mailbox... option. 

    Screenshot of the My accounts menu with a red box around the Open another mailbox... option and a red arrow pointing towards the Open another mailbox... option.
     
  4. The Open another mailbox window will appear. Enter in the email address associated with the shared mailbox and click on Open. 

    Screenshot of the Open another mailbox window with a red box around the Open button and a red arrow pointing towards the Open button.
     
  5. A new tab will open in your browser. You will now see the shared mailbox and all of the folders associated with it. 

    Screenshot of the Shared mailbox with a red box around the shared mailbox and a red arrow pointing towards the shared mailbox.
     

Sending from the Shared Mailbox

To send from the shared mailbox, click on the New button. You do not need to change the address.

Screenshot of the Outlook online window with a red box around the New button and a red arrow pointing towards the New button.
 

 

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