HOWTO: Configure Mac Mail, Calendar & Address Book Mac OS X 10.14 for Mass General Brigham Exchange


  • Instructions for setup Mac Mail, Calendar & Address Book to work with the Mass General Brigham Exchange email system.


  • Platform: MacOS
  • OS Version: 10.15 or newer
  • Software:  Mac Mail, Calendar, Contacts

If you are using the Mass General Brigham Wireless network you must be connected to PHSWIFI3

It is recommended that Mac users consider using Microsoft Outlook 2016 as it works best with the Mass General Brigham Exchange system.  We have experienced intermittent sync issues with Mac Mail and Calendar.



    1. If Mail is open, quit the application.

    2. To setup Mail, Contacts and Calendar, go to Apple Menu and select System Preferences.  Then click on Internet Accounts Icon (See below)
    3. A window will open, click on Exchange to setup your account. (See below)

    4. Next enter your Full Name, your Primary Email address (,,, and your password.  then click the Sign In button and got to Step 4 for instructions to enter additional information.
    5. Then click the Done button to finish the process and associate all the application you want synced with your Mass General Brigham Exchange account.

    6. Once the account has been added to your Macintosh, you will see the screen below. You are now ready to use Mac Mail, Contacts, Calendars, Notes and Reminders.

    7. Now click on the Mail Icon in your Dock to open the Mail application to see your email. It will take a moment to sync.



If escalation is necessary, please contact the Service Desk to assign a ticket to the appropriate research technicians group.



Go to KB0025832 in the IS Service Desk

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