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.

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

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.

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.

While Google Authenticator is immensely popular, one of the biggest critiques has been the inability to back up one-time 2FA codes and the lack of multi-device support.

You can move Google Authenticator to a new phone so that your new device can gain an additional level of security through two-step authentication.