Microsoft
Unable to Delete Duplicate Guest User Exchange Admin Centre - Solved
Having trouble deleting a duplicate guest user in Exchange Admin Centre? This article provides a solution to the issue where you're unable to specify an external email address due to the guest mail user already existing. Learn how to remove the duplicate guest user from your Exchange admin center.
Read More
Frequent Emails with Single-Use Codes from Microsoft: What's Going On?
If you're receiving frequent emails from [email protected] with the subject 'single-usecode' but not requesting a code, here's what you need to know.
Read More