How to Convert Multiple MS3D Files to IGS?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting MS3D files in under two minutes.
2. Load your MS3D files
Open reaConverter and add your MS3D files. You can load individual files, entire folders, or even nested subfolders.
Drop your MS3D files into the window or use File menu to browse and select folders.

3. Select IGS as output format
Choose IGS as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

4. Start MS3D to IGS conversion
Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

After conversion, find your IGS files in the output folder. Click 'Show converted files' to open it directly.








