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. Microsoft’s ...

I get excited whenever Microsoft drops a new Excel function, but when I'm in the trenches with a deadline, I reach for the classics. There's a certain comfort in knowing a formula will work exactly as ...

Excel’s newest Copilot integration finally delivers the data intelligence Microsoft promised years ago, transforming how users clean, organize and understand information within their spreadsheets. Way ...

Ditching volatile formulas, using Power Query, and switching to binary formats can make bloated Excel workbooks feel fast ...

These 10 firms are redesigning themselves and their business models to realize the huge opportunities available in modern ...

Learn how AI is accelerating vulnerability discovery and reshaping security. Get actionable guidance to build a Mythos-ready ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

Microsoft assigned CVE-2026-21520, a CVSS 7.5 indirect prompt injection vulnerability, to Copilot Studio. Capsule Security discovered the flaw, coordinated disclosure with Microsoft, and the patch was ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Don't think that Excel is just for numbers. Many people populate Excel's seemingly infinite grids with data, using it as a flat-file database. It can serve as a relatively effective contact manager or ...