Microsoft Authenticator in Link to Windows Conveniently and securely sign in to all your online accounts using multifactor authentication, passwordless sign-in or password autofill with Microsoft Authenticator
Sign in using Microsoft Authenticator - Microsoft Support Before you can use Authenticator as a way to sign in, you need to download the app and have already added Authenticator to your accounts Starting July 2025, the autofill feature in Authenticator will stop working, and from August 2025, passwords will no longer be accessible in Authenticator
Use Microsoft Authenticator with Microsoft 365 If your organization is using multi-factor authentication (MFA) for Microsoft 365, the easiest verification method to use is the Microsoft Authenticator smart phone app It's just one click instead of typing in a 6-digit code And if you travel, you won't incur roaming fees when you use it Download and install Microsoft Authenticator app