The version is 2009. DWG to DWF Converter (DWG to DWG) is a batch converter that allows you to convert DWG to DWF, DXF to DWF without the need of AutoCAD. Key Features: 1. Convert DWG and DXF to DWF in batches. 2. Stand-alone utility - AutoCAD NOT required. 3. Supports every version of...