because I don't really use it any more.
when an e-mail address isn't used for a long time it is automaticly removed but you can go to yahoo messenger and younwill see Messenger Contacts Actions Help at the top the click on messenger from there a list will show up showing My Status - No Incoming Calls - My contact Details - then you will see My Account Info click on My Account Info it will ask you for your password when you enter that in click sign in and it will all come up for you and then you can do what you want.
But remember no matter if you remove it or change it it will always be in hiden files in your computer until the computer taking up space. That is how and why the police conficate people's computers that they feel or believe to be guilty but only by a warrent. but to completly remove it from your computer to where there's no trace of it you have to reload your computer with the disks that came with your computer to take it to the factory condition of when you bought it.
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Yahoo is actually a LOT better now than they used to be about providing info...their "help" section on help.yahoo.com has come a long way since I worked there.
Follow the directions there & presto, it's gone.
Depends which type it is
Its usually under "account settings"
Or just leave it dont delete it
Then go under account settings & see if its there
I cant find where it says account settings
press the delete button