For information that is listed on your cpanel account is not appropriate or for other matters, such as the email address listed is no longer active or forgot to access the email again, you can make changes through the cpanel menu that is already available yes.
for the stages as follows:
As usual, please login to your cpanel account first.
Please search on the Preference sub menu, and search for contact information as shown below.
If you have entered the contact information menu, the following image will appear.
In the image above displays 3 columns where the first column is filled with the email address currently connected to your cpanel account, please change it to the desired email address, and for column 2 and column 3 just ignore it, scroll down and immediately click the save button.Good luck and thank you.