Pivot tables have long been the standard tool for summarizing and analyzing data in Excel, and they work well for many tasks. But if you've ever found yourself clicking through multiple menus just to ...

Have you ever grouped data in Excel only to find your months sorted alphabetically instead of chronologically? It’s a frustrating quirk of the GROUPBY function, one that can turn a clean dataset into ...

You'd think that PivotTables are the easiest and least stressful way to summarize data in Excel. For a long time, I believed that, too. That changed once I got comfortable enough using GROUPBY and ...