Excel offers several built-in conditional formatting rules you can apply to your data. (Click image to enlarge it.) We’ll demonstrate using Excel for Windows under a Microsoft 365 subscription.

When deciding between custom number format codes and the formula-based approach, consider your specific requirements and the complexity of your data. Custom number format codes excel in simplicity ...

If Microsoft Excel does not recognize dates, then there is something wrong with the formatting. Use any of the methods mentioned here to format cells perfectly.