[vivekkalyan]

my solution is to use pandoc to generate the diffs. Combines the benefits of word formatting but allows me to see the changes in git. (I use it mainly for my resume)

I wrote up about it here for the curious: https://www.vivekkalyan.com/using-git-for-word

[ramraj07]

Have you seen any options take advantage of the fact that docx files are just zipped xml files? I can see the git repo ballooning if you have a few images and you commit frequently!

[cpach]

Diffing the contents of an Office document is not trivial. See https://news.ycombinator.com/item?id=22222667