I'll test it on my end and then I'll back here to let you know how this worked.
How setup MFA.
https://docs.microsoft.com/en-us/office365/admin/security-and-compliance/set-up-multi-factor-authent...
How setup Modern Auth
https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/outlook-for-ios-and-...
Hi
Has this worked for you?
I am looking at the same scenario.
Basically what I need is:
Outlook with an EAS profile for EXO that uses modern authentication as Microsoft is deprecating the use of Basic Authentication.