Yahoo Email to retrive

I have no idea where to ask for this help for admins move the my help need in relveant category . thx

I need help about yahoo email. Its old email i use for many yrs, but i forgot the password , not in settings never save browser ect… it ask me for retrieve via mobile number i register with my mob number sometime it come the code sometime no, but when it come i put the code, n then 2nd step they sent code to my other email which i dont have anymore access. It no give me any other options it says call yahoo mail service to help u, but that’s pointless. what to do i try all ways i know. How to back my yahoo email. Any ideas. Thank you