The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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.

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

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

Find out how to Get started with the Microsoft Authenticator app so that you can use notifications to sign in, instead of texts and phone calls. Learn How to use two-step verification with your Microsoft account.

Setting your computer to be a trusted device can be useful if you use it often, if you have two-step verification enabled, or if you're using the Microsoft Authenticator app to sign in.

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

Troubleshoot problems with Microsoft Authenticator You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

If your passkey for a work account was created using a camera or authenticator app in your Personal profile, you will need to recreate a passkey in your Work profile.