1. Log into your cPanel and click "Email Accounts" under the Mail section.
2. The bottom of the next page will list your current email accounts.
Find the row with the emaill address whose password you wish to change and click the "Change Password" icon under the "Functions" column.
3. The next page will ask you for the new password or you can have one generated for you. After you have finished entering the new password click the "Change" button to update the password.