Microsoft Authenticator provides multi-factor authentication options, as well as a password manager. Here's what you should know about the app.

With older apps and devices and third-party email clients, you can't use two-step verification to receive a security code via the Microsoft Authenticator app to log in.

In order to use Autofill within the Microsoft Authenticator app, you need to be running iOS 12 or above or Android 6 or above on your phone.

If the Microsoft Authenticator app doesn’t cover all your needs, support for FIDO2 hardware security devices is also coming. That could be a Yubikey, or even a fitness tracker like the Motiv Ring.

I prefer the option to use an authenticator app rather than receiving codes via text message whenever possible, and so should you. The reason is simple logistics.

Microsoft is unifying its various authenticator apps into a single Microsoft Authenticator one that will begin rolling out to consumers and business users as of August 15.

Microsoft Authenticator is a two-factor authentication program that provides added security to your online accounts in the form of an app.

How to set up two-factor authentication on your online services Using 2FA to protect your accounts is a lot safer than using just passwords, especially if you use a separate authenticator app.

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.