With Filestar you get 80 different skills for working productively with Maxis XA files .(xa) files.
About .Xa
Name
Maxis XA files
Extension
.xa
Format
Binary
Category
Audio
Developer
Electronic Arts
Description
Audio file used by The Sims, a game where players build and simulate cities; contains music or other sounds for the game; commonly stored within The Sims archive files (.FAR files).