Recover Yahoo mail account

Hello,
I am trying to get into my Yahoo account I have not been in it in a while I know my username and I believe I'm putting in the right password my recovery email I have no access to I have not use that email in over ** years I put all the information in and I'm being told by Microsoft that is not enough information to prove that it's me I need to get into my Yahoo account * recovery reasons can you please help me.