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

Why spend an hour when one formula can do it in seconds?

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 ...

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 ...

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 ...

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 ...

TL;DR: Microsoft is launching Copilot AI for Excel, a new feature that uses advanced language models to help users analyze data, summarize information, and generate ideas directly in their ...

A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...

Microsoft is adding a new Copilot function to Excel that brings large language model (LLM) features right into spreadsheet cells. The goal is to speed up tasks like data analysis, text classification, ...

If you’re just dying to talk to Copilot within Excel, good news: Copilot is now a traditional Excel function within Excel for Windows and the Mac. But wait, you say. Copilot is already in Excel! For ...