How to take a backup of Google Authenticator Google Authenticator keeps your account safe with a time-based one-time password (TOTP). It stores the codes in the cloud for easy access.

How to Add an Account to Google Authenticator You need two things: Google's authenticator app and a code from the account you want to add to the app (Facebook, Amazon, your bank, etc.).

Google may use several methods to verify your identity, such as sending a code to your recovery email or phone number, asking for a code from your authenticator app if you use one, or sending a ...