If you've ever caught yourself squinting at your screen late at night, you already know why Dark Mode feels like a lifesaver. It swaps out the blinding whites for cooler shades of gray and black, ...

You can use Microsoft Excel in dark mode to change elements of your spreadsheet to a darkened color palette.

To turn on dark mode in Windows 10, head to your computer's "Personalization" menu, which will let you change most of your PC ...