I have also seen a lot of that sort of file-naming-version-control still in use. Git is really far out of reach for most people, and IMO not always the most appropriate for writing workflows where the version control sort of lives at the paragraph/figure/equation level.
Word export (and hopefully good import as well) is certainly on our roadmap. :)
Word export (and hopefully good import as well) is certainly on our roadmap. :)