To convert a JPG to PDF, you'll need to change the file format on your computer's default photo-viewing app. For Windows users, this process is done in the built-in Photos app, and for macOS users ...

To change the default PDF viewer on Windows 10, you'll need to edit your default apps in the Control Panel.

You can import and add a PDF to OneNote as a file attahcment or printout image, or convert and add PDF to OneNote. Here's how!