If Conditional formatting is not applying to all cells in Excel or Google Sheets, you need to check the formatting and rules.

Use Excel's conditional formatting to flag status changes, budget issues, missing data, duplicates, and deadlines ...

Have you ever spent hours perfecting your Excel spreadsheet, only to watch your carefully crafted formatting fall apart the moment you insert a new row? It’s a maddeningly common issue for Excel users ...

Have you ever stared at a massive Excel spreadsheet, overwhelmed by rows of numbers, wishing there was a faster way to make sense of it all? Here’s the good news: Excel 365’s conditional formatting ...