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

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 ...

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.

All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds. This week, Google has given its 2FA app ...

After you've chosen which accounts to export (you can export up to 10 accounts at a time), the Authenticator app will generate a QR code.

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 ...

Transfer Confirmation: Once all QR codes have been scanned, the Google Authenticator app on your new phone will display a confirmation message, indicating the successful transfer of your accounts.

Bitwarden has developed a standalone authenticator app. Until now, time-based one-time passwords were only available as an additional function for subscribers.

Google Authenticator now syncs one-time codes with your account, so you're not stuck if you lose your device.