This guide describes how to grey out unused cells in Excel in Windows 11/10, apply a solid fill color, use Conditional Formatting, or hide unused rows/columns.

Have you ever been frustrated by Excel treating blank cells as zeros? It’s a small quirk, but one that can wreak havoc on your data analysis. Whether you’re building financial models, tracking ...

Q: I have an Excel spreadsheet. I want to replace all the blank cells with a zero. How do I do this easily and quickly? A: This trick for entering a zero into each empty cell is invaluable to teachers ...