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.

If you have accidentally deleted Microsoft Authenticator app and now, you cannot sign in to your account, these suggestions will help you.

Starting in August, your saved passwords will no longer be accessible in Microsoft's Authenticator app. You have several options.

Microsoft on Tuesday announced a public preview of a new 'Authenticator Lite' solution for Outlook Mobile apps.