In Outlook 2000, after you receive new mail, the Folder List opens to show any folders in the hierarchy that have new, unread items. Other than that, Outlook does not provide much help in locating unread items.

One method would be to use Advanced Find to search all your folders. HINT: The More Choices tab has an option for finding unread messages. If you use Advanced Find in this manner often, you might want to use File | Save Search to store your search criteria for easy reuse.

Otherwise, a few third-party tools provide some assistance in locating unread items.

Outlook does not provide enough help in finding unread mails. In Outlook 2000, after you receive new mails, the Folder List opens to show folders which have new or unread mails. And that is all Outlook can help you. When using other email client softwares, usually it is a one-click action to do so.

Here is some add-on tools which provide assistance in finding unread mails.

Neo Pro Email Organizer (http://www.caelo.com/index.php)
Implement time-management compliant workflow principles.Automatically organized email - by correspondent, date, attachment and status. See ALL your messages organized together no matter what message store (data file) they are in. Categories view, Filter toolbar, Search for Conversation, undockable tabs and more.