The following works with 32-bit versions of Word.
Chris Woodman's Keyboard Shortcut Organizer
Look below for a version that works on the Ribbon. Note the requirements. It requires that Trust Access to the VBA model be checked. I generally leave this unchecked except when I want to use this.


In Word, keyboard shortcuts are stored in templates or documents. You would need to know the templates.
Once you have them in a separate template, that template can be loaded as a Global Template on new computers.