DWG DXF Converter is a tool with which you can convert these files without any trouble, and open your drawings on any other program. If you want to perform the opposite conversion, you can also do that and have your files ready for AutoCAD. The process takes just a few seconds.
The interface of this program is very simple and easy to use, since all you need to do is to mark the options for the input and output formats, be it DWG or DXF. If you have an old version of the Autodesk program, don't worry, you can access the drop-down menu and look for your version.
Finally, you just have to choose the destination folder for the converted files, where all of them will be moved to. This way, you can save all your projects in the same place, which enables you to organize all your drawings.
The trial version only converts part of the file.