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

Pivot tables still have their place, but I'd rather type one formula for a quick summary.

Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

Discover how to replace traditional Excel chart objects with clean, customizable in-cell visualizations using a single ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas (with or without help from the Copilot AI assistant) and ...

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 ...

Compare the best free Microsoft Excel alternatives for 2026, including features, pricing, pros and cons, and use cases for each spreadsheet tool. The kinds of features you need from your spreadsheet ...

The Chart of the Week showcases a valuable metric: greenhouse gas emission intensities. The data reveals significant reductions in emission intensities within agricultural and industrial sectors.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

In this post, we will show you how to get Word, Excel, PowerPoint, and Outlook for free on a Windows 11/10 PC. All these applications are part of the Microsoft 365 (Formerly Office 365) or Office 2024 ...

Thyroid function tests are blood tests that measure hormone levels to check how well your thyroid is working. The most common tests are thyroid-stimulating hormone (TSH) and thyroxine (T4), which help ...