Why, since change over from BT Yahoo to BT mail, when I download my messages fom BT To Windows Live Mail do they not go into the BT Trash Box like they used to?

Is the mail bix you are using it is over exchange or webmail please clarify and if you have upgraded to yahoowebmail then check it in basic html mode.

I think you have be a BT customer to get a BT email (@bt.com. @bt.co.uk
see https://uk.answers.yahoo.com/question/index;_ylt=A9mSs2LGwJJUOQUAvY5LBQx.;_ylu=X3oDMTE0bzYzNmF0BHNlYwNzcgRwb3MDOARjb2xvA2lyMgR2dGlkA1ZJUFVLMTdfMQ--?qid=20080923095717AADSN23
(could be outdated)

This from the bt website :

Log in to BT Yahoo Mail

Use BT Yahoo Mail? You'll be moving to the new BT Mail later this year.
If you receive a message asking you to change your password, it's important you do so.
changing their mail service, but I don't think this changes what I have said above.
18.December.2014
BT ar

Windows Live Mail is the desktop email application of Office Live, introduced with Windows 7. Windows Live Mail replaces Outlook Express in Windows XP and Windows Mail in Windows Vista. You can use Windows Live Mail to access most free email accounts, such as Gmail, Hotmail and Yahoo Mail, as well as those offered by Internet service providers. You can also set up your IMAP (Internet Message Access Protocol) account to use Windows Live Mail.

Open the Office Live email application. Click "Start," select "Programs" or "All Programs" and select "Windows Live Mail" from the "Windows Live Folder." Go to the "Tools" menu and select "Accounts" to open the "Accounts" dialog box. If you do not see thetoolbar, press the "Alt" key to display it. Click the "Add" button, select "Email Account" and click "Next." Type in the complete IMAP email address, such as "[email protected]" into the "Email Address." Enter the password for that account in the "Password" box. Enter the name you want displayed to email recipients in the "Display Name" box. Select the "Manually Configure Server Settings for Email" check box and click "Next." Select "IMAP" in the "My Incoming Mail Server Is" list. Enter "imap.ispname.com" into the "Incoming Server" box, replacing "ispname" with the name of your email provider. Type "smtp.ispname.com" into the "Outgoing Server" box, replacing "ispname" with the name of your email provider. Click "Next" and then click "Finish." Hope this helps.

If you canceled or deleted you can retrieve them in most web email clients.

GMail:
If you've deleted a message permanently, by clicking Delete Forever in your Spam or Trash, it isn't possible to recover the message.
If you've moved a message to Trash, by clicking Delete, but it's been fewer than 30 days and you haven't permanently deleted it, follow these steps to put it back in your inbox:

1. Sign in to Gmail.
2. Click Trash along the left side of any Gmail page. (If you don't see Trash along the left side of your Gmail page, go to the Labels tab in Settings, then click the show link next to the Trash label.)
3. Locate the message you'd like to move to your inbox, and check the box next to the sender's name.
4. Click Move to Inbox.

Yahoo:
Of course, you can also undelete a message quickly as long as it is still in your Yahoo! Mail's Trash folder.
Undelete Mail in Yahoo! Mail To undelete a message in Yahoo! Mail or Yahoo! Mail Classic:

• Go to the Trash folder.
• Open the desired message.
• Click Move in the Yahoo! Mail toolbar.
• Select Inbox or any other folder to recover the message.
  • In Yahoo! Mail, you can also drag and drop the email to any folder, of course.

Also you can serach on Yahoo itself by look at the left upper corner you can see a search bar if you
remember some info. from the sender.

If you have Yahoo! Mail Plus (a paid upgrade), you can access those messages directly from a standard email program (such as Outlook, Windows Live Mail, etc.). You need to configure the account settings in your email program for the Yahoo service.

The settings for incoming mail are:
Incoming (POP) server: plus.pop.mail.yahoo.com
Port: 995
Security: SSL

For more on Yahoo server settings, see this Yahoo help page:
http://help.yahoo.com/l/us/yahoo/mail/yahoomail/mailplus/pop/pop-14.html

For details on configuring the WLM email program, see this Microsoft help page:
http://windows.microsoft.com/en-US/windows-vista/Windows-Mail-setting-up-an-account-from-start-to-finish#section_5

and this additional page on port & SSL settings:
http://support.tigertech.net/windows-live-mail-ssl

You cannot configure Yahoo account with Windows live mail.
And the reason you are getting the error because you have Micosoft outlook in the pc and that email client (MS outlook) is not configured with your yahoo mail and it is not the default email client in your PC. Windows live mail is the default email client in your PC and you cannot configure Yahoo account in windows live mail.

Hii...
I am Frank....
If you are using yahoo email account but your emails deleted from your inbox and you are unable to recover then you can follow some given steps given below:-
Go to the Trash folder.Open the desired message. You can also check it and any further messages you want to undelete in the message list.Click Move in the Yahoo! Mail toolbar.Select Inbox or any other folder to recover the message. You can also drag and drop the email to any folder.For the more info visit here http://www.yahoosupportnumber.net/blog/facing-problems-to-restore-deleted-yahoo-mails/ and get instant help & solution.

1. Log into your Yahoo Mail account - http://mail.yahoo.com
   When you delete messages in Yahoo! Mail, they go to your Trash folder. If you delete a message by mistake, for a little while you'll be able to find it in Trash and move it back to your Inbox or another folder. Just remember that messages in your Trash folder can be deleted at any time, without warning.
2. To permanently remove the contents of Trash yourself, just click Empty next to Trash on the left side of the page. When messages are emptied from the trash folder, they are permanently deleted from the Yahoo! Mail server and cannot be recovered.
   

It's possible, if it's been less than 24 hours since you deleted those emails to recover by filling out this form.

If using Classic:
http://help.yahoo.com/l/us/yahoo/mail/cl…

If using All-New:
http://help.yahoo.com/l/us/yahoo/mail/ya…

If more than 24 hours, and the Trash folder has been emptied, there would be no possible way to retrieve deleted emails.

Try to make a habit of NEVER emptying your Trash folder. The emails in that folder are deleted periodically by Yahoo!, so there's no reason for you to take that step.

You simple CANNOT. Windows Mail no longer supports the HTTP servers used by Yahoo! and other web-based e-mail providers. Windows Mail does not permit the use a Web-based (HTTP) e-mail account on a computer that is running Windows Vista.
For an alternative, use Windows Live Mail instead of Windows Mail

loadTOCNode(3, 'resolution'); Windows Live Mail is an e-mail program that you install on your computer. Windows Live Mail stores messages on your computer. This means that you can access, read, and compose e-mail messages even when you are not connected to the Internet.

Windows Live Mail works with popular Web-based e-mail services such as Hotmail, AOL mail, Google mail, and Yahoo! mail. Windows Live Mail is built to automatically configure many popular e-mail services.

To install Windows Live Mail, visit http://download.live.com/wlmail