If you are not a restricted or SSO user, you can change the email address you use to login into TD Console.
Open TD Console.
Navigate to My Settings > My Profile.
Select the edit pen.
Type your password. Select View.
Type your new email address in the Email Address field. Optionally, you can reset your password here.
A message will confirm that a verification email is sent to the new email address.
Check the new email address account for the verification email.
Follow the steps for verification.
The email address change is complete.