This article applies to all TeamViewer Remote users.

How to activate two-factor authentication

To activate two-factor authentication, please follow the instructions below:

In the Remote interface

1. Open TeamViewer Remote or go to https://web.teamviewer.com/
2. Sign in to your account. Please find the instructions on how to sign in here.
3. Click on Settings.
4. Click on Go to your profile's settings.
5. Select the Authentication tab and click the circle next to Two-factor authentication for sign-in.
6. Scan the QR code with your two-factor authentication app and click Continue.
7. Save the recovery code by downloading, printing, or copying/pasting it on your personal files and click Continue.
8. Enter the security code displayed on your two-factor authentication app and click on Activate.

You have now been signed out. To sign in to your account, please follow the instructions here.

In the (Classic) interface

1. Sign in to the Management Console with your TeamViewer account.
2. Go to the top right, select your profile, and click Edit profile.
3. Now select Security and click Activate two-factor authentication.
4. Click Continue.
5. Open your authentication app on your device and follow the steps shown in the Management Console:
   1. Scan the QR code.
   2. Download, print, or copy the recovery code and store it in a safe place before activating two-factor authentication.
   3. Enter the security code shown in the authentication app on your device.
   4. Click Activate.
6. Click Finish.

How to deactivate two-factor authentication

To deactivate two-factor authentication, please follow the instructions below:

In the Remote interface

1. Open TeamViewer Remote or go to https://web.teamviewer.com/
2. Sign in to your account. Please find the instructions on how to sign in here.
3. Click on Settings.
4. Click on Go to your profile's settings.
5. Select the Authentication tab and click the circle next to Authentication via trusted devices.
6. Click Got it.
7. Enter the security code displayed on your two-factor authentication app and click on Deactivate.

You have successfully deactivated two-factor authentication on your account.

In the (Classic) interface

1. Sign in with your TeamViewer account at login.teamviewer.com.
2. Click on your profile name and click Edit profile.
3. Go to Security in the left menu.
4. Click the Deactivate two-factor authentication link under Two-factor authentication.
5. Enter the security code displayed by your authenticator app.
6. Click the Deactivate button.

How to deactivate two-factor authentication via recovery code 

When activating two-factor authentication for your TeamViewer account, you get an individual recovery code, which you have to save in a secure place. (You have to download, print, or copy it before you can continue with the setup process.)

In the Remote interface

In the (Classic) interface

Important notes

• If you lose access to your mobile device or the authenticator app, the recovery code is your last resort to deactivate two-factor authentication.
• The recovery code allows you to log in again with your email and password via this site: https://login.teamviewer.com/LogOn#deactivate-tfa
• The recovery code is very powerful as it allows you to deactivate two-factor authentication.
• If you are unsure whether you saved it properly, you can access the code in TeamViewer Remote via Settings ➜ Profile ➜ Authentication ➜ View recovery code. Please keep in mind that you need your security code to view the recovery code!
• When setting up your two-factor authentication, consider printing more than one copy of your recovery code in case one copy gets lost or destroyed!
• Do not send the recovery code unencrypted via email, as this could give an unauthorized user access to it. After deactivating two-factor authentication with the recovery code, you can always reactivate it for your user. Otherwise, trusted devices apply automatically.
• TeamViewer cannot deactivate the two-factor authentication. If you lose your recovery key, you will also lose access to all TeamViewer features where your account is needed. Therefore, it must be kept secure.