How to Convert Multiple NAV Files to IGS?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting NAV files in under two minutes.
2. Load your NAV files
Launch reaConverter and drop in your NAV files. The software queues everything for batch processing with consistent settings.
Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

3. Select IGS as output format
Pick IGS as output format and choose the destination folder where you want to save new .igs files.

4. Start NAV to IGS conversion
Then simply press the Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your IGS files in the destination folder you selected.






