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Set up Mail in Mac OS X 10.9 and 10.10 (Mavericks and Yosemite)

How to set up your Exchange Online account in Apple's native Mail application, in Mac OS X 10.9 (Mavericks) and 10.10 (Yosemite). Note that there is also a set-up wizard to do this for you automatically – see the Email Set-up Wizards section (link at foot of this page).

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Before you start: If you have never done so, sync your UIS Password to the Blue Active Directory by running through the Change Password procedure using the UIS Password Management application at You can keep using your current password – the important part is that you run through the process one time only in order to trigger the sync with Blue, and then onwards to Azure, Microsoft’s Active Directory which ultimately controls your access to Exchange Online services. It may take up to 3 hours for your password to sync to Azure. You can’t complete the Exchange Online configuration until your UIS Password has synced with Azure, and will get error messages when you try to log in. These errors will stop once your password has synced.

  1. Open the Mail application.

  2. Mail > Add Account...


  3. Choose Exchange and click Continue:


  4. Fill in your Name.
    Your Email Address is your
    Your Password is your UIS Password.
    Click Continue:


  5. Enter a Description for your new mailbox (it says it's optional, but it's not).
    Your User Name will be auto-filled with your CRSid, but you will need to add the ''
    Set the Server Address to, and click Continue:


  6. When Mail has connected the Exchange server, you will have the chance to choose which apps you would like to use with your new account. Mail is selected by default, but to get most benefit from switching to Exchange Online you may want to  include Contacts and Calendar, too.

    Click Done to finish:


  7. You will now see your new Exchange mailbox listed (called what you typed into the optional Description field in step 5) in your Mail window: