Apple's mobile devices (iPhone, iPod Touch, iPad) use ActiveSync to interact with OIT's Exchange service. With Exchange configured, you will be able to view the account's various mailboxes, and create custom mailboxes.
Repeat steps for all other contacts that you wish to export.
Note: The following steps are to save contacts in your Exchange Account for Microsoft Outlook 2010 and 2011.
Your contact will now be saved in your Exchange Account's contact list.