Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

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

Q. On my Excel Home tab, there is an icon called Ideas. What is this, and what does it do? A. Considering how incredibly simple it is to use the Ideas tool, it is almost shocking how powerful it is.

For years, building dashboards in Excel meant juggling helper columns, dragging formulas across endless cells, and praying your pivot table wouldn’t collapse under its own weight. But that’s changed.