All account options are available for modification. You can modify the domain and user name, CPanel theme, maximum e-mail and FTP accounts, and other items. You can also modify an account's details by changing packages - refer to Upgrading or downgrading an account for more information.
To modify an account:
Click on the Modify an Account link in the Account Functions menu.
Click on the required domain or user name in the displayed list and click on the Edit button.
Edit the displayed fields as required. Refer to Creating a new account for a description of each field, if required.
Click on the Save button.