If you are looking to add a generic mailbox to Outlook here are some quick instructions. It makes managing multiple emails a very simple task for yourself or employees.
- Click File on the top left
- In the Info section look for Account Settings on the right
- Click Account Settings and then click Account Settings again
- In the E-Mail tab, click Change…
- In the Change Account window, click More Settings…
- Select the Advanced tab
- Click Add… and type the address of the mailbox you want to manage