Google Authenticator has been around for over a decade, is free, and will work with virtually every service that supports ...

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.

This usually generates a QR code, which you can then scan using the Microsoft Authenticator app. Now that you have your accounts set up, you'll be prompted to enter a six-digit code the next time ...

You can sync your authenticator codes to your Google Account and across your devices. It offers support for multiple accounts, and you can transfer accounts between devices by using a QR code.

Syncing your Google Authenticator codes now happens through your Google account—the feature is available on the latest iOS and Android versions of Google’s app. Authenticator gives you the ...

On your new phone's Authenticator app, tap Scan QR code. After you scan your QR codes, you get a confirmation that your Google Authenticator accounts were transferred. You can remove your exported ...

Finally, Google has updated its useful Authenticator app on iOS to allow users to export their myriad of tokens and import them on another iPhone directly within the app. This has been my biggest ...

A majority of online services these days generate a QR code, which you need to scan using the authenticator app installed on your phone. Once the code has been scanned, you may be asked to enter ...