Steps to change your Yahoo account information:
- First Sign in to your Account Info page.
- Click on setting Icon
- Click on “Accounts” button from the drop down menu
- Click the “Edit your account info” tab.
- Again, click sign in button
- Click on “Account security”
After that you can change Information includes:
Personal info – Edit your name, address, phone number, alternate email addresses, or primary email address.
Call yahoo customer support toll free number +1-844-444-0101 for further assistant if needed.