SolidWorks supports the IGES/IGS format and can import it and use the data for making SolidWorks part files (*.sldport). You can also find some dedicated CAD conversion programs like the CrossManager that support a large number of various CAD formats and can perform conversions between them.
Convert IGES 3D exchange format to SolidWorks CAD part.
We found 4 software records in the database related to .igs to .sldprt file format conversion.
Microsoft Windows software - convert igs to sldprt on Windows
A 2D and 3D CAD construction software
Convert from igs file format
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 igs to sldprt. 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.
A set of 3D modeling tools
A CAD converter with huge format support
A CAD visualizaton, analyzation and translating system