Lost files/data

From: Damien (anonymous_at_discussions.microsoft.com)
Date: 04/23/04 

Date: Fri, 23 Apr 2004 04:31:04 -0700

Some files have been deleted from my windows xp machine by mistake - I need to retrive these files, I've heard there's ways of doing this - anyone know how I can do this.
Thank You
Damien