Since Corel acquired Micrografx, CorelDRAW is one of the few modern applications that can still open DW2 files.
The DW2 format is typically a proprietary binary container. While specifications vary by vendor, a DW2 file generally contains: dw2 to dwg converter
For automation and scripting.
The most reliable method is to open the original file in DesignCAD and use the "Save As" or "Export" function to select the .dwg or .dxf (Drawing Exchange Format) option. Since Corel acquired Micrografx, CorelDRAW is one of
Use (free, official):