OneNote dock to desktop top, bottom, left or right side
In OneNote, we can click the "Dock to Desktop" feature on the "Customize Quick Access Toolbar", ( Or shortcut Ctrl+Alt+D ) , it will take the OneNote dock to the right of the desktop.
When OneNote docked on the desktop, we usually hold on the OneNote title bar, and you can drag the OneNote to dock the OneNote on desktop top, bottom, left, right 4 direction.
You can also use OneNote Gem dock featues to place the OneNote window.
OneNote Gem provide "Dock Default Position", "Undock", "Dock Left", "Dock right", "Dock Top", "Dock Bottom".