Tip of the Day - Outlook 2007: Finding Related Messages in Your Insanely Unorganized Inbox
This is usually not a big issue with me because I use Xobni which has similar functionality coupled with the way they handling email threads. Sometimes, Xobni doesn't quite give me accurate chronological order of the emails in a simple UI so the method below has helped me on occasion.
Find Related Messages
Searching for related messages in Microsoft Office Outlook 2007 is easy.