After a lot of trying to get Git and Word to play nice together, we ended up building a collaboration tool to bring the power of Git (branching & merging) to non-technical Word users.
Feedback welcome: https://www.simuldocs.com/
Feedback welcome: https://www.simuldocs.com/
Having said that, adding an option to include formatting changes is on our roadmap.
However, when you're a professional copy editor of non-fiction publications, a substantial part of your work will consist of checking little details, such as making sure the titles of books, magazines, and articles are formatted correctly and so on.