In the Internet Accounts window, select your Exchange account.From the Apple icon, select System Preferences > Internet Accounts.If you wish to stop your Exchange account from syncing with Mac Contacts or Calendars, do the following: Click Done. Your Office 365 mail downloads and your Inbox appears.

Calendars - Adds your Office 365 calendar to the Calendar application.Contacts - Adds Duke's Office 365 Global Address List (GAL) to the Address Book application.In the next screen, select the apps to use with the account.Enter your NetID and password, authenticate with mutli-factor, and click Log In.In the next screen, Sign in to your Exchange account using Microsoft? is displayed.In the Exchange window, enter your name and Duke email address, and click Sign In.In the Choose a Mail account provider screen, select Exchange and click Continue.

If you have a Mail account configured, from the Mail menu, select Add Account.If you don't have any Mail accounts configured, the Choose a Mail account provider screen appears.The instructions below are written for Mac OS 10.15. If you prefer to use the Mac OS Calendar application, be aware that there are some issues with accepting and creating Office 365 invitations in that application.

Note: For mail and calendar, we recommend using the Outlook application or Outlook Web Access available at. Documentation for this service applies to both Duke Health and University customers. Office 365 is a shared service across the university and health system.

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