AutoCAD supports the Xsteel NC1 format and thus can be used to export it to a standard DXF file. NC1 is fairly uncommon format so this seems like one of the few choices available.
Convert Xsteel CAD drawing to AutoCAD DXF Drawing Exchange Format.
We have found 3 software records in our database eligible for .nc1 to .dxf file format conversion.
Microsoft Windows software - convert nc1 to dxf on Windows
A CAD designing software with the powerful, flexible features. It is a CAD development platform that provides tools to build custom AutoCAD-based software products for specific markets. The default file formats using by AutoCAD are: DWG and DXF.
Convert from nc1 file
to dxf file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned nc1 to dxf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Tekla Structures is Building Information Modeling (BIM) software that enables the creation and management of accurately detailed, highly constructable 3D structural models regardless of material or structural complexity.
Apple macOS / Mac OS X software - convert nc1 to dxf on OS X
AutoCAD® for Mac® software—it’s AutoCAD, for the Mac, bringing robust 3D free-form design tools and powerful drafting capabilities to your platform of choice. It takes full advantage of the Mac OS® X platform, with an intuitive, graphical user interface that makes it easy to bring your ideas to life.