Setting Microsoft Outlook Calendar as Default on a Mac

1. Open the Calendar app on your Mac.

2. At the top left of the screen, click Calendar > Preferences or Settings.

3. Under the General tab, the Default calendar app setting has a drop down menu. Click Calendar and then, at the drop down menu, click Select.

4a. A window opens with a list of Applications:

4b. Scroll down to Microsoft Outlook and click Select:

5. Your Default Calendar app should now show Microsoft Outlook.