Body
MFA - SMS & Voice Authentication Is Being Retired
SMS and voice authentication is being retired
Microsoft is retiring from SMS text messages and phone calls as authentication methods on February 1, 2027. If you currently rely on SMS or phone calls for MFA, you will need to switch to a supported method before that date. Supported options include methods available through the Microsoft Authenticator app, such as approval notifications, verification codes, and passkeys.
Additional instructions