Excel is a powerful tool for managing and analyzing data, but to truly harness its potential, it’s crucial to understand and implement effective data management techniques. By optimizing visibility, ...

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

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

After playing with Copilot in Excel for a while, I decided to throw a messy sales sheet at Copilot to see if it could ...

Q. How do the TRIMRANGE function and trim references in Excel work? A. Excel’s TRIMRANGE function and trim references help users quickly tidy up datasets. This makes for a cleaner, easier-to-follow, ...

Q. There was a December 2020 article in the JofA about cleaning and joining data using a program called Alteryx, but we don’t have access to this program. Could you explain how to do those tasks using ...

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.

Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.