DWG DXF Converter active-x
With this DXF to DWG Converter, you can batch convert DWG Files into DXF files and vice versa without AutoCAD.
DXF to DWG Converter Supports version from AutoCAD R3 to latest version AutoCAD 2009. Acitive-X for developers.
DWG DXF Converter active-x is also a AutoCAD drawing file version converter, it supports both high to low and low to high conversion.