In the RTM version of the CRM Client for Outlook search (or Quick Find) behaved differently from the web client. Update rollup 7 changes the behaviour so that the CRM Client for Outlook and the web client behave in the same way.
This podcast by the Microsoft Premier Field Engineering team on update rollup 7 briefy discusses the change at 17m 20s.
|Client||Pre UR7||Post UR7|
||as the web client|