How to Configure Office 365 for OS X Mac Mail

Mac MailMAC OS X includes productivity applications that are compatible with Office 365. This article show you how to configure Office 365 for Mac Mail version 4.5 and up.

  1. Launch Mac Mail
  2. Select Preferences from Mail menu
  3. Select Accounts.  Add New Account (select + at bottom of window)
  4. Enter your Office 365 credentials
    1. Enter your Full Name as you wish it to appear on sent email.
    2. Enter your Office 365 email address (e.g.
    3. Enter your Office 365 password
    4. Click Continue
    5. If you get an error saying “unable to verify account”, make sure you have entered the correct password.
  5. Validate the configuration
    1. Review the information for accuracy, if necessary use the “Go Back” button to correct any error’s and re-try
    2. Decide at this point if you wish to sync contacts and calendar’s with Office 365. Any changes to Address Book or iCal after Mail configuration is complete must be handled within Address Book or iCal.
    3. Click Create
    4. Mac Mail will now take you to the main email screen where you will see any email in your Office 365 account.
  6. Modify the Advanced Configuration
    1. Select Preferences and Accounts from the Mail menu
    2. Highlight the Office 365 account (e.g.
    3. Click on the Advanced Tab and remove the External Server Path entry – make this entry blank
    4. Close Preferences Window (Red button – top left) and Save entry
  7. Send a test email from your new account to another use and validate it works.
Published in: on July 3, 2014 at 7:04 pm  Leave a Comment  

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