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.

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

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!

Microsoft Authenticator FAQs This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

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 Authenticator.

In the Accounts screen of Authenticator, tap Sign in for each account you want to recover. Enter your password and then confirm your email address or phone number as additional verification.

After you've registered your security key, open the Microsoft Edge browser. When prompted to sign-in, insert your security key into your device's USB port and sign in to Windows using your security key PIN.

Back up information on all the accounts you have in Authenticator so that if you lose your mobile, or get a new device, you can sign in to restore previously saved accounts, making it easy to access sites or …