MFA App ID deprecation in Exchange Online - Microsoft Community Hub

https://techcommunity.microsoft.com/t5/exchange-team-blog/mfa-app-id-deprecation-in-exchange-online/ba-p/4036067

https://twitter.com/home/status/1836922489429012845

https://twitter.com/home/status/1836924540087054483

https://twitter.com/home/status/1837061544141803797