When working with large datasets in Excel, the performance of formulas plays a critical role in determining calculation speed and overall efficiency. Understanding which formulas perform best and how ...

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Discover 17 new Excel features and functions for 2026, so you track edits and data faster. Including auto-refreshing pivots ...

Formulas are one of the most important components of an Excel sheet and as such, deserve–warrant–protection. You don’t want users accidentally changing formulas and impacting the purpose of your work.

A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

After a year and a half of Copilot, the generative AI tool is getting to a genuinely useful place. That literal and figurative place is in Microsoft Excel. At the Microsoft 365 Copilot livestream on ...

It can be frustrating when your formulas are not updating automatically on Excel. Building on that, here are the possible reasons why it may happen. In this post, we explain four such scenarios: The ...

Excel percentage formulas can get you through problems large and small every day—from determining sales tax (and tips) to calculating increases and decreases. We’ll walk through several examples below ...