Opening Model Files
- 
                From the File menu select .
                
Or
From the Home tools, Files tool group, click the Open Model tool.Figure 1. 
 - 
                From the Open Model dialog, locate and select the mdl file
                    to be loaded and click Open.
                The model is loaded into the current MotionView window.
 
Tip: You can also drag and drop the mdl file directly into MotionView.