This is are the best descriptions on what you will lose..
By terminating this account, you will lose your Yahoo! ID, Mail address, and Profile names. We will also delete your account data and settings across the Yahoo! network. This includes the contents of your HotJobs, Yahoo! Mail, Yahoo! Address Book, Yahoo! Small Business, Yahoo! GeoCities, Yahoo! Briefcase, My Yahoo! and more. Account deletion will also terminate any paid services that you own with this yahoo id. You may not be able to recover payments remitted for these services or the data associated with these accounts.
+++++++++++++++++++++++++++++++++++++++…
By terminating your account, you will lose access to your entire Yahoo! ID. Everything stored in your account will be lost during the termination process. All this includes the following:
-Mail
-Address Book
-Answers (your posted content will remain permanently archived)
-Messenger
-My Yahoo!
-Groups
-Alerts
-Flickr
-Any other area that is accessible with your username and password
Answers & Comments
Verified answer
Cancelling your account will delete the Messenger account...
To close your account make sure that you are signed
in to the account that you wish to delete.
Special attn: Make sure you read what you will LOSE when you
cancel your account.
http://help.yahoo.com/l/us/yahoo/edit/ch%E2%80%A6
or
https://edit.yahoo.com/config/delete_user?.scrumb=...
+++++++++++++++++++++++++++++++++++++++++++++
This is are the best descriptions on what you will lose..
By terminating this account, you will lose your Yahoo! ID, Mail address, and Profile names. We will also delete your account data and settings across the Yahoo! network. This includes the contents of your HotJobs, Yahoo! Mail, Yahoo! Address Book, Yahoo! Small Business, Yahoo! GeoCities, Yahoo! Briefcase, My Yahoo! and more. Account deletion will also terminate any paid services that you own with this yahoo id. You may not be able to recover payments remitted for these services or the data associated with these accounts.
+++++++++++++++++++++++++++++++++++++++…
By terminating your account, you will lose access to your entire Yahoo! ID. Everything stored in your account will be lost during the termination process. All this includes the following:
-Mail
-Address Book
-Answers (your posted content will remain permanently archived)
-Messenger
-My Yahoo!
-Groups
-Alerts
-Flickr
-Any other area that is accessible with your username and password