Pasadena-based X1 Technologies (www.x1.com) has released an upgrade to its desktop search software. X1's new version, 04.08, adds the ability to perform phrase searches, boolean search capability, search saving, and full support for attachments in Outlook Express and Netscape Mail. The company's software adds powerful web search features to the desktop, with the ability to search Microsoft Outlook mail, desktop folders, and attachments far easier than any available Microsoft tools.