Found 1 record for the .USX file extension name
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.file extension USX - Unreal Static Meshes file extension
File extension USX description:
3D models used for creating arenas for Unreal games; model shape is static but position, orientation and size can change; created and edited using the Unreal level editor "UnrealEd".usx
Associated applications to file extension USX:
Epic Games UnrealEd
Company / developer:
Epic Games, Inc.