File with .IDW extension contains complete project of mechanical device, or its simulation, in development phase. 2D or 3D project drawing is created with Autodesk Inventor software. IPW files may contain parts (.IPT files), assemblies (.IAM files) or presentation materials (.IPN files).

Projects can be exported to different platforms in form of .DWG files supported by Autodesk AutoCAD. Inventor View software and Autodesk browser (available on Autodesk website) enable users to view such project files.