Conversely, you can create an extra email address under your current account by going here: http://edit.yahoo.com/config/list_aliasHow do I change my email user name without changing my e-mail address?If the name you want to change is included in your account ID, you cannot change it. You will have to cancel the account and open a new one with the new information and password.
If not, you can go to, then click on: Options / mail options / account information; and change the info there.
If you wish to change the name showing in your 'From%26quot; line on out-going mail, go to, then click on Options / mail options / general preferences / the top 'From name' line, change to what you want