Not to mention how useful spreadsheets are, but as we keep adding data, we tend to change the cell size based on the input. Slowly, the data piles up, and the sheet looks like a mess with all the ...

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.

Shelby Brown (she/her/hers) is an editor for CNET's services team. She covers tips and tricks for apps, operating systems and devices, as well as mobile gaming and Apple Arcade news. Shelby also ...