Apple Mail for OS 10.9 -10.10 and OIT's Exchange service go hand in hand.
These are instructions for individuals who are using Apple Mail for OS 10.9 or 10.10, and want to configure their program to access an Exchange account.
If you are a first time user of Apple Mail and would like to access Exchange, please start on step 3
Starting February 2015, campus units and departments began being migrated to Exchange Online, on an individual basis. If your department has been migrated, please visit the Exchange Online service area for more information.
Exchange is now setup and you'll be able to see mail, calendar events, and any other services you selected.