You can extend the X1 Professional Client's power, speed, and accuracy beyond the application, by setting X1 as your PC's Default Desktop Search. Below are instructions to set X1 (or Windows) as your Default Desktop Search.
For Vista/Win 7:
1. Start > Control Panel > Programs > Default Programs > Set Your Default Programs
2. Select X1 Desktop Search and "Set this program as default".
Please note: You can disable Windows Desktop Search by following the steps in this knowledge base article: https://x1.zendesk.com/entries/21399866-how-do-i-disable-windows-search