Information Technology Services
Information Technology Services

Re-Configure Apple's Mail Client from On-Campus Email to Microsoft Office 365

Note:  Screenshots are based on OS X 10.10.  Other OS X version may vary slightly.

Configuring Apple's Mail client to use Microsoft Office 365 requires deleting your account on the on premise Exchange server

  1. From the Apple Menu select System Preferences.

  2. The System Preferences screen will open   
    • Select Internet Accounts


  3. The Internet Accounts screen will open
    • Select Exchange
    • Click the delete ( - ) button at the bottom left


  4. The Are you sure you want to delete the account ... screen will open
    • Click the OK button
    • Your email account will be deleted.  Don't worry -- your email is waiting for you on Microsoft Office 365.
    • Close the Internet Accounts screen


  5. Restart your computer
  6. Open Mail
    • Since there is no email account configured you will be prompted to Choose a mail account to add...
    • Select Exchange
    • Click the Continue button


  7. The Exchange screen will open
    • In the Name: field enter your name as you want it to appear in Mail
    • In the Email Address: field enter your email address.  Note:  you must use your email address even if you usually use the email alias
    • Click the Continue button
    • The Searching server for the specified email address... message will be displayed


  8. The Account Summary will be displayed
    • Note that your Server address: is
    • Click the Continue button


  9. The Select the apps to use with your email account screen will open
    • Check all the items you want to use.
    • Mail and Contacts will be available in the Apple Mail app
    • Calendar will be available in Apple Calendar app
    • Click the Done button


  10. Your email will start downloading from the server to your computer
    • Depending on how much email you have this could take several minutes.
    • Your email account is ready to use.