I wrote a python script that works for OneNote for Windows 10. It requires a small amount of manual work but it does work: GitHub - Ben-Gillman/onenote_to_markdown: Script to convert MS Onenote notebooks to Joplin
I wrote a python script that works for OneNote for Windows 10. It requires a small amount of manual work but it does work: GitHub - Ben-Gillman/onenote_to_markdown: Script to convert MS Onenote notebooks to Joplin