Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

Step-by-step guide to turning formulas into reusable Lambda functions. Perfect for advanced Excel users seeking automation.

Using just one formula, you can create an entire table, generate a filtered view, calculate a running total, or build a ...

Microsoft’s new Copilot function in Excel lets users generate, analyze and explain data directly from cell formulas, marking a major step toward full AI integration within spreadsheets.

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

When the Design Mode button in Excel’s Developer tab is greyed out, it’s usually because the feature has nothing to act upon or needs a simple action to activate it. However, there are other reasons, ...

Forget one-size-fits-all AI — industry LLMs speak your business’s language, know the rules, and actually understand your ...