contact yahoo inc or go to the login screen and just type in multple stuff like 7 or 8 times and eventually itll say did u forget ur password? then ull be redirected to the ask security questions page and then u can retrive ur account from there
Don't have a yahoo account for your business; it makes you look very unprofessional. Get your own domain; it's very cheap to run and it looks a lot better to have an email address of bitch2008@mycompany.wherev.er than bitch2008@yahoo.com.