1. Click File tab in the Toolbar
2. Click Account Settings button, select Account Settings
   
   
3. Select the E-Mail tab
4. Highlight your mailbox, click the Change button
   
   
   
5. Click the More Settings button
6. Select the Advance tab
7. Click the Add button
   
   
   
8. Type the Shared E-Mail Address
9. Click the Apply and Ok buttons.
10. Click Next, Finish, and Close buttons.