See the pinned thread here: Word 2007 & Later Key Data File Locations as far as I know, it is up-to-date for current versions of Word.
See also my page: Moving (Sharing) Customizations in Microsoft Word
Word option settings often require recording a macro to store them. They are mostly stored, I believe, in the registry Data key. I know of no one who has decoded that key.

You are dealing with default locations and your users may have modified those.

For non-Word customizations, you may want to post in those forums.