If your Microsoft Authenticator app is not working or displaying code for the accounts, then follow the suggestions to fix the issue using multiple methods.

The Microsoft Authenticator app will no longer notify users if there is a risky login attempt to their account.

If you aren't already using an authenticator app to secure your online accounts, consider downloading one of these top options.

If you see Microsoft Authenticator Registration has timed out error, make sure your device is encrypted. More working suggestions here!

Microsoft Authenticator delivers enhanced security through two-factor authentication. When you set it, the web service or app requires an additional six or eight-digit code to confirm your identity.

Microsoft Authenticator will soon stop working on the Apple Watch. Other devices, such as smartphones, will continue to support the app.

Proton Authenticator is a new all-in-one 2FA app that wants to take the place of Google Authenticator, Authy, and Duo on your devices.

Microsoft is taking a major step toward a passwordless future. Beginning August 1, the company will permanently remove all stored passwords from its Microsoft Authenticator app.