Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

It all started with a binder party,” his post begins, “and it was the first time I learned that I could learn how to learn ...

Modern Excel functions like IFS, SWITCH, XLOOKUP, SUMIFS, and LET replace most nested IF use cases.

I didn't realize how much time I spent on cleanups until regex let me stop.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks.

Compare ChatGPT, Gemini, Copilot, Claude, Perplexity, Grok, DeepSeek, and Meta AI by strengths, use cases, integrations, and limits. There was a time when chatbots were clunky customer service tools ...

Ask an AI assistant about your company right now. Don't use a prompt that's meant to get a flattering answer, though; use a real one. Ask it why someone shouldn’t hire you. Ask it what your critics ...

Microsoft has woven its generative AI technology throughout Microsoft 365, the company’s productivity suite. Its Copilot AI assistant is most often used in M365 apps for text-oriented actions, such as ...

These tricks show how AI tools, new import formulas, and classic features improve productivity. Excel has outlasted many tech trends, and in the age of AI, it remains very much in the mix. While new ...

If you often work with data that starts life as a text file or CSV, Microsoft Excel now has new built-in tools that simplify how that information gets pulled into a spreadsheet. The update introduces ...

Q. I have used the Excel functions LEFT, MID, and RIGHT to dissect cells. However, I have some spreadsheets where each piece of information is a different length and uses different delimiters. Is ...