How to change the email address of Adobe Sign account? | Adobe Sign

How to change the email address of Adobe Sign account or users experiencing issue while trying to log in to the Adobe Sign account after changing the email address under the Adobe  Sign account. 

• Scenario 1: Users experiencing issue while trying to change the email address under the Adobe Sign and hence receives an error message "email address is already occupied." 
• Scenario 2: Users have already changed the email address under the Adobe ID account but are not able to log in to the Adobe Sign account or are not able to send the documents through Acrobat application.
  Error message:
  Web Interface: We have experienced an error due to possible ID change.
  Acrobat: Could Not Send or Documents are still going out for signature from old email address. 

Environment

Adobe Sign Web UI | Acrobat application

Resolution

Contact Adobe Sign support team for the specific steps to fix the issue as the steps can vary depending on the scenarios mentioned under Objective: https://helpx.adobe.com/contact.html. Make sure you log in with your Adobe ID under which you have the Adobe Sign subscription.