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.

When I started using Microsoft Excel, my spreadsheets were a mess, and I wasted hours trying to make them look professional.

Hard-coded numbers (also known as constants) being mistaken for formulas is a serious audit risk because they can lead to inaccurate results when inputs change. Luckily, the Go To Special wizard can ...