This is an example of how to convert notes from OneNote into Markdown to use in other, less annoying Note applications. I am using PowerShell on Windows here, but other shell/scripting environments would work as well. If you want separate .md files, you'll need to export your OneNote pages separately. Exporting a section, or a selection of pages creates a single .docx file.
- Download and install Pandoc
 - Export each of your note pages to a 
.docx(Word) format using OneNote export from the File menu - Gather all of these 
.docxfiles into a directory - Open directory in File Explorer
 - Open Powershell from the File Explorer using File -> Open Windows Powersell
 - Run the following command: