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

Monster formulas don't have to stay monstrous.

EPPlus supports dynamic array formulas and spill ranges from version 7. A dynamic array formula is a formula that returns multiple values — the results automatically spill into adjacent cells, just as ...

EPPlus includes a powerful, built-in formula calculation engine — no Excel installation required. It evaluates formulas entirely in .NET and covers the vast majority of real-world spreadsheet ...

The biggest stories of the day delivered to your inbox.

If the UNIQUE function isn’t working in Microsoft Excel on your Windows 11/10 PC, read this post to learn how to fix the issue. The UNIQUE function extracts a list of distinct (non-duplicate) values ...

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 ...

Array constants in Microsoft Excel are powerful tools for performing multiple calculations with a single formula. Using array constants in your Excel worksheets avoids the need for lengthy or repeated ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...