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

Use Microsoft Authenticator for easy, secure sign-ins for all your online accounts using multi-factor authentication, passwordless, or password autofill. You also have additional account …

Nov 12, 2025 · In this article, we'll teach you how to set up Microsoft Authenticator on your Android or iPhone and use it to log in to sites and services securely. Use Authenticator for two …

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.

Use Microsoft Authenticator for easy, secure sign-ins for all your online accounts using multi-factor authentication, passwordless, or password. You also have additional account …

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

Jun 1, 2025 · Learn how to use Microsoft Authenticator app on PC and Phone to securely sign in to your personal, work, school, or other accounts without using a password.

Dec 15, 2025 · Two factor authentication (2FA or TFA) is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft …

Securely sign in to all your Microsoft accounts—personal, work, school, or any other account—without a password. Get the app by going to aka.ms/mobileauthenticator on your …

Fix Microsoft Authenticator issues including codes not working, push notifications failing, missing accounts, and app crashes. Step-by-step troubleshooting for iOS and Android.