If you are unable to log in to Chatwork using two-factor authentication, please try the following methods to resolve the problem.

• Log in Using Backup Code
• Send Authentication Code to Additional Phone Number
• Use Administrator Rights to Disable Two-factor Authentication
• Cannot Receive Authentication Code via SMS 
  

Log in Using Backup Code

If you have lost your mobile device, or you are unable to receive your authentication code via SMS or the authentication app, you can log in to Chatwork using your backup code.

Please note that a backup code becomes invalid once it has been used.

1. Access the Chatwork login page.
2. Enter your login e-mail address and password.
3. Click on the [If you are unable to obtain your authentication code] link located under the two-factor authentication code field.
4. Enter your backup code and click on the [Authenticate] button.
   
   

Send Authentication Code to Additional Phone Number

Receive your login authentication code on the additional phone number that was set up when configuring two-factor authentication for receiving SMS messages.

1. Access the Chatwork login page.
2. Enter your login e-mail address and password.
3. Click on [If you are unable to obtain your authentication code] located under the two-factor authentication code field.
4. Click on the [Log in using additional phone number] link located under the backup code input field.
5. Click on the [Send SMS to Additional Phone Number] button.
6. Enter the 6-digit authentication code received via SMS, and click on the [Authenticate] button.

Use Administrator Rights to Disable Two-factor Authentication

If your login has been restricted due to two-factor Authentication failures, please refer to the help pages below and contact your corporate contract administrator
(or a person with user management rights).

Disable Two-factor Authentication

 

Cannot Receive Authentication Code via SMS

Please refer to the following page.

Cannot Receive Authentication Code via SMS