Sign in using Microsoft Authenticator | Microsoft Support 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
Sign in with a passkey in Microsoft Authenticator - Microsoft Support The following table outlines the available scenarios that you can use to sign in with a passkey using Auth app on your mobile device, with seamless single sign-on (SSO), or with cross-device sign in with Microsoft Authenticator
Set up a passkey in Microsoft Authenticator This article shows how to use Microsoft Authenticator to register a passkey and use it for signing in to your Work or School Account The easiest and fastest way to add a passkey is to add it directly in the Authenticator app
Microsoft Authenticator FAQs | Microsoft Support 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 notifications by prompting for your PIN or biometric any time you approve a sign-in notification
Sign in using two-step verification or security info Note: For information about signing in using the Microsoft Authenticator app see the article, Sign in to your accounts using the Microsoft Authenticator app