Gmail's user friendly interface allows you making your desirable adjustments with utmost ease. Although, google asks you for the username of your selection when you're setting up your account. Yet if you have an extremely long or an amusing username for your Gmail id, you could alter it at any time you desire. This is basic guide to tell you How you can change Gmail username for your Gmail account. Read More:-http://800support.net/gmail-support/change-gmail-username/