I've been on Yahoo long time and was hacked wile back had change my pass word well I got new tablet and can't get it right the adresses they have for email it old and gone what do I do to get it all my computers have the pass word saved help

Walk away from the account and start a new one... this is a case of you get what you pay for.

Backup email account is a way to prevent people from taking over accounts that aren't theirs...

YOU might know its really yours... but because you didn't keep that stuff up to date... you won't be able to prove it to anyone else.