Instruction for Outlook desktop version for Mac

Modified on Mon, 03 Jul 2023 at 12:12 AM

Configure Exchange Online with Outlook for macOS or Mac Mail

On this page:

  • Mac Mail
  • Outlook for macOS


You need macOS 10.14 or higher, which is required to support modern authentication. Modern authentication has ended support for Apple Mail on macOS High Sierra 10.13 and older versions.

In macOS, many online accounts, including Exchange, can be set up in System Preferences, available to installed applications.


Follow the appropriate instructions below to set up your Exchange Online account with macOS.

Set up Exchange Online in System Preferences for Mac Mail

To set up Exchange Online in System Preferences for Mac Mail:

  1. Click the Apple menu, and select System Preferences.
  2. Double-click Internet Accounts.
  3. From the options on the right side of the "Internet Accounts" dialog box, choose Exchange.
  4. In the setup dialog box that appears, enter your name and email address as and then click Sign In.
  5. If you are prompted with options for Configure Manually or Sign In, choose Sign In.
  6. In the login dialog box that appears, sign in with your password.

    If you are prompted to enter an internal URL and an external URL, use the following URL for both:
  7. In the next dialog box, select the Exchange items you want the store to be able to access, and then click Done. You will be returned to the "Internet Accounts" dialog box with your Exchange account listed on the left. Your Exchange Online email is now configured for Mac Mail and Calendar.

Set up Exchange Online in Outlook for macOS

To set up Exchange Online in Outlook for macOS:

  1. Open Outlook by either searching for Outlook with the Spotlight menu, or, if an icon is in your dock, click the icon in the dock.
  2. If you are setting up Outlook for the first time (or have deleted an old Exchange profile), you should be prompted with the option to add your Exchange account (likely listed as just your IU username or as Click Add [your username or email address].

    If you are not prompted with the option to add your Exchange account:

    1. Click the Outlook menu, and select Preferences....
    2. In the "Outlook Preferences" window, click Accounts.
    3. In the bottom left, click the + (plus sign) and select New Account....
    4. Enter your email address as then click Continue.
  3. Log in using your password, it may simply continue). Outlook should then display "Connecting to Office 365", followed by a message saying "[your account] has been added".
  4. Click Done
  5. Click Show All to reveal the other Outlook settings, and then click Calendar. Next to "Default time zone for new events:", make sure it is set to the correct time zone. .

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