.PSK File Extension
File TypeUnreal Engine Skeletal Mesh File
What is a PSK file?
File used by the Unreal Engine, a gaming engine used to create first-person shooter games such as Unreal Tournament; contains mesh information for a 3D model; used to import 3D models into the Unreal Engine.
PSK files can be combined with .PSA files, which define the 3D model animation information.