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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.
If you have non-Microsoft accounts, such as for Amazon, Facebook, or Google, you can add them to Authenticator for two-step verification, or if your site or service supports adding an account using a QR code, you can set up Authenticator as a way to sign in.
You can set up an authenticator app to send a notification to your mobile device or to send you a verification code as your security verification method. You aren't required to use the Microsoft Authenticator app, and you can select a different app during the set up process. However, this article uses the Microsoft Authenticator app.
Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN. You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts.
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.
This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.
For this situation, we recommend you use the Microsoft Authenticator app, with the option to connect to a Wi-Fi hot spot. For more information about how to set up the Microsoft Authenticator app on your mobile device, see the Download and install the Microsoft Authenticator app article.
Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.
You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.