Disable Mandatory Authenticator in M365 (admin Fix) [2026 Guide]
Tired of being forced to use the ANNOYING Microsoft Authenticator app?
In this 2026 Microsoft 365 admin guide, learn how to disable the “Mandatory Authenticator” requirement so users can sign in with other MFA methods (SMS, email, phone call, or security key) instead of being locked into the Authenticator app.