How to Change Password on Yahoo Mail? Use the Sign-in Helper to change Yahoo Mail password and regain access to your account. Here, enter your phone number or email address. Depending on the option you've chosen, Yahoo will send a code to your phone or email. Enter Yahoo's code in the field provided, then click 'Verify.' Select 'Reset password' to an account linked with your mobile number or email address. Now enter your new password in the field and save changes. Visit for more detail https://contactforservice.com/how-to-change-yahoo-password/