Microsoft Authenticator app

The Microsoft Authenticator app allows you to sign in to your accounts when two-step verification is enabled. Passwords can be forgotten, stolen, or compromised, so two-step verification allows you to access your accounts more securely. Two-step verification uses a second step, such as your phone, to make it more difficult for unauthorized users to access your account. The Authenticator app can use in multiple ways:


  • The audience for this content is users. Administrators can find more information on how to set up and manage their Azure Active Directory (Azure AD) authentication environment in the administrative documentation for Azure Active Directory.
  • If you have trouble logging in, see When you can’t sign in to your Microsoft account for assistance. In addition, you can obtain more information regarding what to do if you receive the “That Microsoft account does not exist” error message when attempting to sign in to your Microsoft account.

Two-step verification is the standard verification method, where your password is one of the factors. After entering your username and password and logging in, you can accept a notification or enter a verification code.

  • Phone registration. A variant of two-factor authentication that allows you to log in without a password by using your username and a mobile device with your fingerprint, face, or personal identification number.
  • Code generation. As a code generator for accounts that support authenticator applications.
  • An authenticator is compatible with any account that employs two-factor authentication and supports time-based one-time password (TOTP) standards.

Your organization may require you to use the Authenticator app to log in and access its data and documents. Even if your user name appears in the app, the account is not set up as a verification method until registration is complete. To learn more, visit Add your work or school account.

Download and setup the application

  • Install the most recent version of the Authenticator app compatible with your operating system:
  • Google Android. Visit Google Play on your Android device to download and install the Authenticator app.
  • Apple’s iOS platform. Visit the App Store on your iOS device to download and install the Authenticator app.

Important: You can still download the Authenticator app if you send yourself a download link from the Authenticator app page.

Set up two step verification on Authenticator

To protect your account, the Authenticator app can generate a code you must enter during sign-in. There is no need to wait for text messages or phone calls, and the instructions below ensure that only you have access to your information.

Install the Authenticator app

Authenticator app

Authenticator app

Set up the Authenticator app

Follow the steps below after installing the Authenticator app to add your account:

  • Launch the Authenticator programme.
  • Select the plus sign (+) in the upper right corner.
  • Follow the instructions provided in your account settings or by pointing your camera at the QR code.

After your account has been added to the Authenticator app, you can sign in using the one-time codes. Open the Download Microsoft Authenticator page for more information and support on the Authenticator App.

Next Step

Configure security information for text messaging (SMS). Enter the number of your mobile device to receive a text message containing a code for two-step verification or password reset.

Configure security information for phone calls. Enter the number of your mobile device to receive a phone call for two-factor authentication or password reset.

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