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You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts. Authenticator can be used three ways: As a way to verify sign-in if you forget your password. As a way to sign in every time, by using a one-time password code to increase account security.
Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password. Microsoft Authenticator is not available for PC or Mac as authenticator apps are typically designed for smartphones for security reasons. Learn more.
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.
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.
Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).
How do I take screenshots of my one-time password (OTP) codes on the Microsoft Authenticator for Android? To see your OTP codes in screenshots or allow other apps to capture the Authenticator screen, turn on Screen Capture in Authenticator's Settings and restart the app.
Microsoft Entra multifactor authentication detects unusual activity like repeated sign-in attempts, and may prevent additional attempts to counter security threats. If you've mistakenly made many sign-in attempts, wait until you can try again, or use a different MFA method for sign-in.
Passwords can be forgotten, stolen, or guessed, and SMS text codes can be insecure. You can use Outlook to authenticate in two ways: Receive a push notification after entering your password online. Use a TOTP (Time based One-Time Passcode) Select a heading below for more information.
Password reset authentication only. You'll need to choose a different method for two-factor verification. Set up your email address from the Security info page. Depending on your organization’s settings, you might be able to use your email address as one of your security info methods.
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.