Working with large spreadsheets means constantly tracking rows and columns, and it's easy to lose your place when you're staring at hundreds of cells. I've tried different workarounds over the years — ...

With the functions I'll discuss here, you can make data cleanup much easier in Excel. They allow you to extract, style, split, and join text to get what you need without wasting hours doing it ...

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.