Where can I search for an existing yahoo email addresses?

On the main yahoo web page, under "more yahoo services" you could find a pick that you could use to search for yahoo people. You can searchh by town, sex, age, etc. You could see if your friends were on line or not. Now it is gone. I can not...

I already have two email addresses on yahoo. I need to be able to receive instant messages from both of them. How in the world can I do that? I already have personals profiles with both of those names, and email accounts with both of those names.

I know a friends name but I have forgotten her email address. How do I search for it?

I have a list of addresses I don't use and would like to get rid of

Recently, Yahoo mail has changed to randomly underline words, addresses, proper nouns, etc. It makes them appear like links the sender meant to include, but when I click on them it brings up a little hover box with "search results." This is...

and how would i set this up? i looked in the options by yahoo mail- but i am not sure exactly what to do. These are two existing email addresses. One is my primary email address and one i am using for job searching. Is there a way that i can find out...

I have a mail account with 2 email addresses and 3 ID's assigned to it. The 2 email addresses match 2 of the ID's, but I cannot create a 3rd email address to match the 3 ID. How can I do this? I'm afraid to delete the ID and try to start anew because...

The email search tool doesn't work properly. The result is now spotty. I may find search result from new and old emails but the in-between emails are missing. In other case, no result at all is shown when I know for sure there is one. Other people have...