Google isn’t the only firm offering 2FA sign-in codes to provide backups. Since 2019, Microsoft has allowed people to use a “backup and restore” tool for its Microsoft Authenticator app.

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

Each site is different, but a site that works with Google Authenticator (or similar apps like Authy) will have an option to scan the QR code when setting up 2FA.

When you see a QR code on the laptop screen, open the Google Authenticator app on your phone. Tap the plus sign in the bottom-right corner of the app and then Scan a QR code.

Released on Monday for iOS and Android, the latest version of Google Authenticator lets you back up and sync your one-time 2FA codes to your Google account via the cloud.

Using this new feature, Google Authenticator users can select the 2SV accounts they wish to export on one device, and a QR code will be generated.

Google is preparing to phase out SMS-based two-factor authentication (2FA) for Gmail users, replacing it with QR code verification, according to a Forbes report.

An update to Google Authenticator this week finally enabled backups for your two-factor authentication codes. But the feature comes with a security risk.

A web app is used to generate a secret that can be configured into the Arduino using an array, and into Google Authenticator using a QR code.

Scan the QR code displayed on Google's website with the Authenticator app, then enter the six-digit code to verify everything is working properly. Once that's done, the codes on your old device ...