My experience of medical and biological research is that tracked changes in Microsoft Word using a file naming system that uses 'draft1', 'draft2', 'draftv1.2',

My experience of medical and biological research is that tracked changes in Microsoft Word using a file naming system that uses 'draft1', 'draft2', 'draftv1.2', 'final', 'finalfinal', 'final-feb' and other variations, is the only system I have seen.