You can update the information in your user profile. Your user profile includes your name, job title, phone number, email address, time zone, password, and security question and answer. You can update any of the information except for your user name.
To update the information, click the User icon in the top right corner, and select Profile.
When you update your email address, Data Loader sends a verification email to the new address. Your email address is updated after you click the link in the verification email.