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
About Microsoft Authenticator - Microsoft Support 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
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 Microsoft Authenticator 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