The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Learn how to add all your different accounts to the Microsoft Authenticator app.

Microsoft Authenticator 是一个移动应用，可帮助你在不使用密码的情况下登录到所有帐户。

What is Microsoft Authenticator? Conveniently and securely sign in to all your online accounts using multifactor authentication, passwordless sign-in or password autofill with Microsoft …

Microsoft Authenticator te ayuda a iniciar sesión en tus cuentas si has olvidado la contraseña, usa la verificación en dos pasos o la autenticación multifactor, o si no tienes contraseñas en tu …

Authenticator collects your GPS information to determine what country you're located in. The country name and location coordinates are sent back to the system to determine if you are …

If you turn on two-step verification, you'll get a security code to your email, phone, or authenticator app every time you sign in on a device that isn't trusted.

Note: For information about signing in using the Microsoft Authenticator app see the article, Sign in to your accounts using the Microsoft Authenticator app.