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Has anyone tried to reverse engineer the Solidworks file format?

Question asked by Scott Perman on Oct 30, 2019
Latest reply on Nov 1, 2019 by Josh Brady

I'm curious if anyone has attempted to figure out the Solidworks file format.  My guess is that 99% of the reason files aren't compatible with earlier versions is because solidworks changes an identifier in the header that says the equivalent of "This is a 2019 file."  Maybe there are huge changes to the file structure that makes going backwards impossible, but I suspect not.