A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
Thanks for taking that video! It helps and we are looking into it!
Around the 55sec mark, the canvas was frozen and you couldn't scroll. I'm guessing OneNote got into a bad state, and anything you did afterwards cannot get saved. If you hit this state again, you should re-launch the app.
-Mavis (OneNote team)