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

Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

VLOOKUP, SUMIFS, INDEX... How many Excel functions do you have memorized? "I'm not good with functions, and I always end up using the same ones." I think many people feel that way. Actually, there is ...

The NFL schedule has been released, so it's time to look ahead to the upcoming season and predict who's going to be competing in the postseason. Betting odds are available for the 2026 NFL campaign, ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. BARCELONA, SPAIN - MARCH 02: AI agents message is seen in Mobile World Congress 2026 on ...

A new study finds that certain patterns of AI use are driving cognitive fatigue, while others can help reduce burnout. by Julie Bedard, Matthew Kropp, Megan Hsu, Olivia T. Karaman, Jason Hawes and ...

These tricks show how AI tools, new import formulas, and classic features improve productivity. Excel has outlasted many tech trends, and in the age of AI, it remains very much in the mix. While new ...

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 ...

The percentage of teachers who are using artificial intelligence-driven tools in their classrooms nearly doubled between 2023 and 2025, according to data from the EdWeek Research Center. In 2023, a ...