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.

Want to avoid having your online accounts hacked? Enable two-factor authentication (2FA), a crucial security measure that requires an extra code when signing in from an unfamiliar device. In this ...

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 ...

Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods.

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 ...