Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

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

This is called two-step verification or multi-factor authentication. As the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless. Just follow the three steps to …

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.

Set up security info to use an authentication app Set up security info to use text messaging Set up security info to use a phone call Set up security info to use a security key Sign in using an …

If you have problems signing in with two-step verification, get more information at Having trouble with Two-factor Authentication. Find out how to Get started with the Microsoft Authenticator app so that …

Security verification versus password reset authentication Security info methods are used for both two-factor security verification and for password reset. However, not all methods can be used for both.

Security keys are devices used for authentication, typically in the form of a USB dongle, NFC, or Bluetooth. Instead of a password, you can use a security key to sign in to apps, websites, and, if you …

Availability: Mobile devices are almost always with the user, making them convenient for authentication purposes. Desktops, on the other hand, are not as portable.

Make sure notifications are enabled for the app. Check your text messages for authentication codes which may have arrived silently. Outdated app version: Using an outdated version of the Microsoft …