Using Classic Outlook on Windows for personal email, calendar, and contact management
Hello !
This is not an official email from Microsoft.
All official Microsoft emails are sent with the @accountprotection.microsoft.com email. Any other domain is a scam attempt and should be deleted.
You can learn more about legitimate and trusted Microsoft emails here : https://support.microsoft.com/en-us/account-billing/can-i-trust-email-from-the-microsoft-account-team-685fd302-f52f-1a9f-cc13-065dec46fe25
Please let me know if you have any other question !