How do I see a shared mailbox on Outlook Webmail?

If you're using the Outlook app on your computer, you will see shared mailboxes automatically in your list of folders.  One the webmail client you need to do the following:

1. Click on your initials in the top right, and select "Open another mailbox"
   
2. In the search box, type in the name of the mailbox you want to open (e.g. [e-mail]) and click on the name when it shows in the list :
   
3. Click on the "Open" button:
   
4. Outlook will open up that mailbox in a new tab on your browser.