Sparklines are in-cell charts in Microsoft Excel that are easy to create and extremely helpful, but they can be more insightful with just a few specific settings.

Charts and sparklines are powerful data visualization tools in Excel. Here’s a guide to the most popular chart types in Excel and how to best use them.

If you haven’t tried Sparklines yet, you’re missing one of Excel’s quickest ways to spot a trend. Next time you’re buried in numbers, drop a tiny chart right into your cell.