Add a Shared Mailbox in Outlook
- Open Outlook and select the File tab.
- Select Account Settings and then select Account Settings again from the drop-down menu.
- Click the New button and select Add Shared Folder.
- Enter the email address of the shared mailbox, then click OK.
- Enter the password for the shared mailbox account and click OK.
- The shared mailbox will now appear in the folder list in Outlook.