Features:
No special plugin needed to open scene.
Units: cm
There is no third party plugins used. All parametric objects like cloners are converted to polygon, so you can open it in Cinema 4d prime/ visualize or Lite.
For other 3d applications use FBX format which is clearly formatted, tested and arranged with textures.
Feel free to ask for free conversion to your favorite 3d applications.
3ds max, Maya, blender, solid work, inventor can easily import fbx format.