Before going ahead, ensure that you make a backup of the section or note you can view in the app. You can open OneNote online and copy-paste the content. So even if something goes wrong, you still ...

Use the following fixes if you cannot edit your OneNote notebook due to the “You can’t edit this notebook” error. I also encountered this error. In my case, it ...

For most of the office suite (and for PDF files), using Windows LiveSync works perfectly. However, because Outlook and OneNote keep open a file, LiveSync is very messy with plenty of version conflicts ...

Crucially, Joplin saves all my notes in Markdown. Unlike OneNote, my notes are now universally readable in plain text (.md).