This latest Authenticator app is currently in internal beta testing at Microsoft, and it appears to be limited to Windows 10 Mobile devices.

Microsoft is updating its Authenticator app to be even more 'phishing-resistant,' Microsoft announced Tuesday.

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.