How do I delete/close my Yahoo account?
1.Visit the Terminating your Yahoo account page.
2.Read through the "Before continuing, please consider the following information" section.
3.Confirm your password in the field provided.
4.Enter the "CAPTCHA" code.
5.Click "Terminate this Account" button to permanently close your account and your Yahoo Mail address.
Notice: If you use a phone number to sign in Yahoo - visit this alternative account termination page instead.