Script saved in the Autodesk MAXScript format; contains functions and instructions that can be run within the 3ds Max 3D image-editing program; typically used for automating common processes.
MAXScript files should be saved in the "\Autodesk\3ds Max 9\Scripts" folder.
Program(s) that open ms files
Windows: Autodesk 3ds Max
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/ms
