Using Outlook for Android for personal email and calendar management
@liz said
outlook blocking set up of an email address
Ongoing problem for many people.
See: https://support.microsoft.com/en-us/accounts-billing/manage/account-creation-has-been-blocked
If all else fails, get a trusted friend or relative in another location to try and do the create for you. Make sure they put an "Email a code" 2nd verification on the account. You'll need it when you try to logon for the first time from a different location.