Phone sign-in. A version of two-factor verification that lets you sign in without requiring a password, using your username and your mobile device with your fingerprint, face, or PIN.Ĭode generation. As a code generator for any other accounts that support authenticator apps.Īuthenticator works with any account that uses two-factor verification and supports the time-based one-time password (TOTP) standards. After you sign in using your username and password, you can either approve a notification or enter a provided verification code. Two-factor verification. The standard verification method, where one of the factors is your password. You can use the Microsoft Authenticator app in multiple ways: Two-factor verification uses a second factor like your phone to make it harder for other people to break in to your account.

Two-factor verification helps you to use your accounts more securely because passwords can be forgotten, stolen, or compromised. The Microsoft Authenticator app helps you sign in to your accounts when you're using two-factor verification. Also, you can get more info about what to do when you receive the “ That Microsoft account doesn't exist” message when you try to sign in to your Microsoft account. If you're having issues signing in to your account, see When you can't sign in to your Microsoft account for help. If you're an administrator, you can find more information about how to set up and manage your Azure Active Directory (Azure AD) authentication environment in the administrative documentation for Azure Active Directory.

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