Here you will find more information on how to set up multi-factor authentication (MFA) for Office 365 users.
*Please keep in mind that you will require an Admin user account to enable MFA support.
For more information please follow this link to the external Microsoft docs webpage:
How to enable the MFA on the Office 365 Admin panel.
How to create an MFA password on Office 365 personal account.
Create an app password for Office 365
After you enable multi-factor authentication (MFA) in the Office 365 Admin panel you will have to re-log with your newly created password on the Joan portal account.
Login to your Joan portal navigate to "Settings > Calendar" and click on "Change calendar type" button after that log in with your current user and your newly created password.
If you encounter any issues, please contact email@example.com.