The Find tool (and Advanced Find) searches across folders in a single Personal Folders file or in your Exchange Server mailbox. However, it cannot search subfolders in another user's mailbox or in a public folder. You can get searchable subfolders in a public folder by adding one of the Enterprise Search Tools, which generally rely on index server technology.
The search engine used by Outlook 2003 and older versions is slow and often finds items in an unexpected order (older items before newest items).
Outlook 2007 and 2010's Instant Search uses the Windows Desktop Search engine to provide instant searches.
- To search for an e-mail address in Contacts in Outlook 2000