Navigate to https://gmu.zoom.us/profile
Select Configure Calendar and Contacts Service.
Select Office 365 as the service and click Next.
Choose Authorize with OAuth 2.0 and select the Authorize button.
When prompted, authenticate with your Mason credentials and two-factor authentication as necessary.
Accept permissions required by Zoom.
After restarting the Zoom desktop application, you should be able to see your non-Zoom meeting details on your Zoom desktop application.