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

This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

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

Copilot prompts helping you cut prep time so you walk into meetings ready. Sort unread mail into tasks, so you stay focused ...