How to recover Yahoo mail account

Hi there how are you.
My name is Junior De Anda I work for Hendersondesigroup.
I try to recover out company account but we don't know how to do that.
my account is yahoo under my work e-mail is ***@***.
I discovered this account was't working any more we have no idea why.
The name of the Proper account is Eric Todd Henderson. Hi asked me to recover this account.
you can contact me ********* or ***@***