Learn how to use Microsoft Authenticator app on PC and Phone to securely sign in to your personal, work, school, or other accounts without using a password.

Learn how to disable Microsoft's default requirement for its Authenticator app in Microsoft 365 and regain control over your organization's multifactor authentication settings.

No more excuses! Microsoft, Google, and Facebook make it easy to improve your account security with two-factor authentication. Here's how.

The Microsoft Authenticator app is an effective way to use two-factor authentication to help you sign into websites that require a Microsoft Account. To use the app, you need your smartphone in ...

To add single sign-on support to your own applications, developers can use the Azure Active Directory Authentication Library (ADAL), Microsoft Authentication Library (MSAL) or various open-source ...

Note that you can set up and use the Microsoft Authenticator app on multiple devices simultaneously. The eight-digit authentication codes are the same across devices, and you can respond to ...