.USX File

File extension usx is associated with the Unreal 3D engine for computer games. The .usx file contains 3D models for arenas (game levels). Static mesh (hardware brushes) files (packages) can be created in UnrealEd official level editor distributed with games based on Unreal technology.

Files with usx suffix can be usually encountered as graphics elements from Unreal 3D game engine.

How to open:

Use UnrealEd to open .usx static mesh files.

How to convert:

Perhaps some tools for Unreal are capable of conversion of these files, especially to some mesh format.