After MFA is setup, the Outlookn2016 client on your MAC will request a new login.
This may take several hours to appear. Outlooks 2016 does not require an app password.
1. Launch Outlook 2016 on your MAC. It may take a few hours to ask for re-authentication but a pop-up window will appear when authentication is required.
2. Enter Username and Password
3. You will receive a 6-digit code through text message. Enter the code and Click Verify. Outlook 2016 Client is now setup and will connect automatically.