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Hi! Follow these steps to get the information:
1. Re-create your mail folder hierarchy by dragging folders into place in the Folder list. Note that any folder you have created to group sub-folders but that does not itself contain messages will not appear in the Folder list and so must be created again.
2. Re-download the list of newsgroups from each news account.
3. Reset your subscribed newsgroups and download messages again.
4. Reset synchronization options on IMAP and newsgroup folders.
5. Edit any message rule that moves or copies messages to folders other than the Inbox.
Also you can use: Easy Outlook Express Repair
Free-to-try version is available here: http://www.mail-repair.com/