However, Full Screen view conceals the ribbon, so other methods are necessary to return to Normal view from Full Screen view.

Learn how to change the Screen View or Layout in OneNote. The options are Normal View, Full Page View, and Dock to Desktop.

Click the green Full Screen icon. The application window will expand to fill the whole screen. Press escape to revert to the normal view.

Windows Screen Rotation feature allows you to rotate the display screen via Keyboard shortcuts, Graphics Control Panel, App & Settings.