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.

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.

When App Lock is enabled, you'll be asked to authenticate using your device PIN or biometric every time you open Authenticator. App Lock also helps ensure that you're the only one who can approve …

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

Microsoft Authenticator can be used not only for your Microsoft account, and work or school accounts, you can also use it to secure your Facebook, Twitter, Google, Amazon, and many other kinds of …

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

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!