Rather than just posting what is probably a faq, I wanted to search the forums for prior examples of the same question. But I can't.

I want to search for dxf, which is the autodesk/autocad file format. Specifically I'm looking for a java implemtation that can read dxf files.

But the forum software says that dxf is too short and can't be used.

What do I do now? Its not as if the file extension is longer, its just three characters, probably from the ancient dos 8.3 days.