2] Convert the file If the above fix does not work, you can convert the file to the latest version of OneNote. Before proceeding, copy the notebook and paste it to another location to create a backup.

You can save articles with the Microsoft OneNote Web Clipper extension to organize your web-based research more efficiently.

Microsoft's OneNote app for Windows 10 will now allow the editing of attached files. The new ability is currently being rolled out to Office Insiders, and will come to more channels later.