How to view mailboxes on your Microsoft Outlook Client

Note: Make sure that you have the permission to view the mailbox that you will going to add.

-> Open your outlook client
-> Click Tools -> Email Accounts-> Click the button for "View or change existing e-mail accounts then Next.
-> Click the Change button on the upper right menu.
-> Click the More settings button on lower menu.
-> A pop up window will appear, on the Advanced tab, click the Add button
-> Type the name of the mailbox you want to view. Click Ok once done adding.
-> Click next then finish.