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

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 …

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

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 …

With this free app, you can sign in to your personal or work/school Microsoft account without using a password. You’ll use a fingerprint, face recognition, or a PIN for security.

Mit der Microsoft Authenticator-App können Sie sich bei Ihren Konten anmelden, wenn Sie die zweistufige Überprüfung verwenden.

Troubleshoot problems with Microsoft Authenticator You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Microsoft Authenticator is not available for desktop computers because authenticator apps are typically designed for smartphones for two main reasons: Security: Having the second factor of …

Learn how you can use Outlook for Android or iOS to sign into your Microsoft personal or work/school account.

Restore account credentials from Microsoft Authenticator You can restore or recover your account credentials saved by Microsoft Authenticator. Note: You can only backup and restore on the …