Those files/format can be imported into the vast majority of your favorite Softwares (Best recommended is FBX Format): _3Ds MAX / Maya / Lightwave / Cinema 4D / Blender / Daz 3D / Sketchup / Unity / Unreal Engine, etc…
Previews images rendered with Marmoset Toolbag 3.8
File Formats:
Autodesk Maya 2018 (Arnold );
3ds Max 2018 (arnold)
Substance Painter
FBX (Format);
OBJ (Format).
[TEXTURES ] PBR texture sets one BaseColor, Metallic, Roughness, Normal, AO 4096×4096 Textures Formats: JPG
[GEOMETRY] No smooth: Polygons: 63781 Vertices: 70431