Logging in to Outlook 365 I see:

Your account has been blocked

We've detected suspicious activity on your account.

Sorry, the organization that you are trying to access restricts at-risk users. Please contact your administrator.

Error Code 530032
App name: Microsoft Office
Device Platform : Windows 10 (I'm using 11)
Device State: Registered

Get your tenancy admin to have a check to see if you are considered an 'at-risk user' here:

https://portal.azure.com/#view/Microsoft_AAD_IAM/SecurityMenuBlade/~/RiskyUsers 

---