The file is created in ZBrush 4R5 and can be opened in any compatible packeges.Archive includes files with the extensions zpr, ztl (file splited on polygroups), obj (merged optimized version).OBJ version of the model is intended to further retopology.You can export not optimized high poly version and then bake height and normal maps with her help, after you done with retopoly and UV.Polygons: 41847Vertices: 41847