Before you blame Excel, check whether your formulas are scanning a million empty rows.

Excel is everywhere—more than 750 million people open a workbook each year to balance budgets, fine-tune supply chains, and ...

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

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 ...

In this post, we will show you how to speed up calculating threads in Excel on a Windows 11/10 PC. Microsoft Excel is designed to handle large datasets and complex formulas. However, sometimes ...

On Thursday, OpenAI released GPT-5.4, a new foundation model billed as “our most capable and efficient frontier model for professional work.” In addition to the standard version, GPT-5.4 is also ...

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 ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Abstract: Existing visual simultaneous localization and mapping (SLAM) algorithms excel in stable illumination variation and static environments, but struggle in dynamic environments with varying ...

Copilot in Excel introduces new finance-focused capabilities that help teams work to their standards, use trusted financial data, and stay in control of every change. GPT‑5.5 Instant is now available ...