Question

How to delete or change Yahoo account, ID, messenger ID, login name, and password?

Answer 1

You can just sign up for a new account when you sign out.. You can also delete your profiles from your account info and or delete the account completly from there.. If you still get emails you want to keep though if you have this site mail you can go into your mail options and have all of your emails forwarded to your new account.. You can't change your screenname though, you have to have a new account.

Answer 2

Go to "my account" link at the top of the page, type in your user name and password. You can access all of your personal information from here.