I have my Yahoo email address for 5 years or more... I changed my password about 6 times... And I need to know my old passwords.

First its not a good idea to piggyback your question on another thread. This can lead to confusion. So I've moved your question to its own thread.

I haven't a clue why you think it would be useful to know your OLD passwords to anything. I also haven't a clue why you think we could tell you your old passwords to Yahoo. I also haven't a clue why you think Yahoo would be able to tell you your old passwords. I don't believe that Yahoo requires you to not reuse a password so they would not store old ones.

There is no need what so ever to "know" your old passwords, And there is no way to ever know them unless you wrote them down, there is no record that you will be able to get