Add a shared mailbox or folder to your account

To add a shared mailbox or folder to your account

1. Right click on where it says "Folders" - just above your Inbox and choose "Add shared folder"
      -> 
    
2. Type the name of the shared folder you are trying to access.  It should come up automatically.  Click on it - then click Add

To add a shared mailbox on Outlook for Windows

If you use the desktop version that is part of Microsoft Office on Windows, the shared mailbox should automatically show up after being granted access (you may need to exist and restart Outlook to get it to show up). You may need to close and reopen Outlook for the shared 

To add a shared mailbox on Outlook for Mac

1. In the Tools menu, choose Accounts, and select the account that has access to the mailbox.

2. Select Delegation and Sharing

3. Choose Shared With Me tab

4. Choose + to add a shared or delegated mailbox

5. Type in the address of the mailbox and click add