Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...

Excel table formulas shift from cell positions to named columns with #All-style tags, keeping calculations readable when layouts change.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Q. I have an Excel workbook that contains many tabs. We have a “Total” tab, but the formulas to sum all of those tabs gets very complicated. Plus, new worksheets get added and the formulas have to be ...

Microsoft Excel is ubiquitous, but it's far more than a simple spreadsheet app — a huge array of powerful features lay within its cells. When you purchase through links on our site, we may earn an ...

I started writing a series of blogs on the use of Excel spreadsheets for circuit design on the now-defunct Microcontroller Central. Those blogs, though separate from this blog and future ones that I ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.