Twelve years ago, I built a little app to convert Word documents to Markdown. It's busier now than ever, mostly with people who noticed their chatbot gives better answers when they paste in plain text.
To a model, bold 14-point text isn't a heading, and a typed "1." isn't a list. Your documentation quality is your AI quality now.
The playbook, plus two free converters that run entirely in your browser (word2md.com and md2word.app):
https://ben.balter.com/2026/10/26/documentation-quality-is-ai-quality/