Dark mode is a feature that you’re free to enable in many applications.
This includes Microsoft products such as Microsoft Word, Excel, PowerPoint, and OneNote.
you’re free to configure dark mode in OneNote across multiple devices and operating systems.
This includes macOS, Windows, and mobile devices such as iPhones and Androids.
In OneNote, press theFiletab at the top of the OneNote window.
Under theGeneraltab, expand theOffice Themedropdown, and selectBlack.
On Mac computers, OneNote will use dark mode when your entire unit has dark mode enabled.
Go to theSystem Preferencesof your Mac machine.
Under theAppearanceoption, selectDark.
Open OneNote to view it in dark mode.
you could also toggle between light and dark modes in OneNote itself.
you’re free to do this by following the steps below:
In OneNote, selectPreferences.
In thePersonalizeoption, deselect theTurn off Dark Modecheckbox.
Comfortably switch to dark mode to prevent eye strain, and back to light mode if needed.
If interested, have a look at other Windows 10 dark themes that can help with eye strain.