IJCAD supports DWG/DXF format according to the version as follows :
Supported Format
| DWG / DXF Version | IJCAD | IJ_IntelliCAD | ||||
| 2017 to 2014 | 2013 | 8 / X | 7 / 6 | 6/5/4 | 2001 | |
| AutoCAD 2013～2017 （including LT） |
◯ | ◯ | × | × | × | × |
| AutoCAD 2010～2012 （including LT） |
◯ | ◯ | ◯ | × | × | × |
| AutoCAD 2007～2009 （including LT） |
◯ | ◯ | ◯ | ◯ | × | × |
| AutoCAD 2004～2006 （including LT） |
◯ | ◯ | ◯ | ◯ | ◯ | × |
| AutoCAD 2000～2003 （including LT） |
◯ | ◯ | ◯ | ◯ | ◯ | × |
| AutoCAD R14 / LT97 / LT98 | only DWG | ◯ | ◯ | ◯ | ◯ | ◯ |
| R12 | only DXF | ◯ | ◯ | ◯ | ◯ | ◯ |
- All IJCAD can open the DWG/DXF file version older than the version whose version the operating IJCAD supports.