That's what "flat" OpenDocument files are for. Use .fotd, .fods and then you can have all the file content, plus referenced images, objects etc. all separate f

That's what "flat" OpenDocument files are for. Use .fotd, .fods and then you can have all the file content, plus referenced images, objects etc. all separate files under version control without the zip container. I do this with LibreOffice. I've not tested Microsoft Office with this workflow.