Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

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

When a relational goal feels too big or too inauthentic, the nervous system can perceive it as a heavy load and shut down in response. But just one small, manageable adjustment slides under the ...

Excel's Custom Views tool lets you create a snapshot of your spreadsheet, allowing you to toggle between layouts.