TL;DR Key Takeaways : Conditional formatting in Excel 365 uses tools like data bars, color scales, and icon sets to visualize data trends, making analysis more intuitive and actionable ...

To add an icon, click Conditional Formatting > Icon sets and choose one of the options there. Next, you will need to define what trending up or down means. Click Conditional Formatting > Manage Rules.

With conditional formatting, you can easily apply color scales, data bars, or icon sets to your data, making it easier to gain the insights you need.