To do so, choose one of the following options:Set the time on the mobile device to automatic date and timeTap the synchronization button in the authenticator app to sync the time (not provided with every authenticator app)If you cannot get your authenticator app to generate working security codes, consider deactivating the two-factor authentication by using your 16-character Recovery Code, which you were given when you first set up two-factor authentication on your TeamViewer account. We don’t provide any support or guarantees for these apps and how well they function. TroubleshootingIf the security code generated by your authenticator app does not work, this could be caused by the time being incorrect on your mobile device where the app is running.To fix the problem, you have to synchronize the time on your mobile device.

In general, you can use any TFA app that supports the time-based one-time password (TOTP) protocol, or any TFA app that describes itself as being compatible with Google Authenticator.Some examples include:Android:AuthyDuo MobileAuthenticator PlusGoogle AuthenticatorMicrosoft AuthenticatorWatchGuard AuthPoint iOS:AuthyDuo MobileGoogle AuthenticatorMicrosoft AuthenticatorOTP AuthWatchGuard AuthPointWindows Phone:Microsoft AuthenticatorWindows, macOS, Linux:Authy Desktop for Windows & macOSAuthy for Chrome and its complimentary Authy Chrome Extension for Windows, macOS & Linux📌Note: TeamViewer does not own or manage any of the apps listed on this page. GeneralThis article applies to all TeamViewer free users and customers with a Business, Premium, Corporate or Tensor plan.In order to use two-factor authentication (TFA) with your TeamViewer account, you’ll need to use a special authenticator app on your mobile device that can generate the required security codes for you.Which apps can I use?There are a variety of apps available on each mobile platform.

Security codes and apps for two-factor authentication - TeamViewer Support

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