Here is all the information I could find about Word Ribbons.
It features resources from:
Fernando Andreu https://github.com/fernandreu/office-ribbonx-editor/releases
Andy Pope https://www.andypope.info/vba/ribboneditor_2010.htmÂ
Greg Maxey https://gregmaxey.com/word_tip_pages/customize_ribbon_main.html
Ron de Bruin https://web.archive.org/web/20191229064810/http://rondebruin.nl/win/section2.htm