Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...

Freeze results, hide sensitive logic, and boost performance by converting dynamic formulas into static values.

What if the tools you already use could do more than you ever imagined? Picture this: you’re working on a massive dataset in Excel, trying to make sense of endless rows and columns. It’s slow, ...

Excel now supports IMPORTTEXT and IMPORTCSV functions that load external text and CSV files as dynamic arrays, making it ...

Q. You explained Excel’s Scenario Manager in your November 2024 Tech Q&A article and Goal Seek in your December 2024 Tech Q&A article. Can you please explain the final What-If Analysis tool: Data ...

Many people working in the corporate world need at least a passing familiarity with Microsoft Excel. Maybe you only indicated that you're skilled with Excel on your resume because it feels like one of ...

Q. In your November Tech Q&A article on Excel’s Scenario Manager, you mentioned two other “what-if” tools: Goal Seek and Data Table. Can you show how those work like you did with Scenario Manager?

One of the most useful new features that Microsoft has incorporated into Excel in recent years is the ability to incorporate Python code directly into a spreadsheet. While it has long been possible to ...

Slicers provide an intuitive, user-friendly interface for filtering data in a spreadsheet. Here’s how to create slicers, format them, and use them to filter data in Excel. Spreadsheets’ greatest ...

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

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...