From the Web:
- Log in to http://outlook.office.com.
- Right click on your name on the left hand side of the window.
- Click "Add shared folder".
- Type the name or email address of the Shared Mailbox.
- Click Add.
- The Shared Mailbox will be on the left hand side of the window.
- click the black arrow to the left of the Shared Mailbox to expand it.
From Outlook 2016 Mac:
- Click Tools.
- Click Accounts. Click on your partners account if you have multiple email accounts setup already.
- Click Advanced.
- Click Delegates.
- Under People I am a delegate for, click the "+" icon
- Type in the shared mailbox to search for.
- Select the shared mailbox and click Add.
- Click OK, then close the Accounts window.
- The Shared Mailbox will be on the left hand side of the outlook.
From Outlook 2016 PC:
- Click on File (top menu bar).
- Click Account Settings, select Account Settings from the drop down list.
- Double click on your email address.
- Click on More Settings.
- Click on Advanced.
- Click Add and type in the Shared Mailbox.
- Click OK.
- Click Next, and then click Finish.
- Click Close for Account Settings.
- The Shared Mailbox will be on the left hand side of the outlook.