Music module format that contains background music for Unreal Tournament, a 3D first-person shooter; similar to an .XM or .S3M file, but is saved in the proprietary Unreal music format.
Program(s) that open umx files
Mac: UMXblu Windows: Epic Games UnrealEd; KMPlayer; Spider Player; The Simple Unreal Songplayer; Unreal Media Ripper
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/umx
