Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Ever since Microsoft introduced Python in Excel, I have treated it as a ‘someday’ project. I knew Python integration was the ...

January 10, 2026 • The video, published online by a Minnesota-based news site, Alpha News, and reposted by the Department of Homeland Security, shows the shooting from the perspective of the officer ...

January 8, 2026 • NYC Mayor Zohran Mamdani says a plan unveiled Thursday to take the first steps toward universal childcare for kids under five shows New Yorkers that "democracy can actually deliver ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

U.S. will leave 66 international organizations as Trump further retreats from global cooperation President Donald Trump on Wednesday signed an executive order suspending U.S. support for dozens of ...

How to compare two excel files for differences? Using this web tool, you can compare Excel document easily. Just select first/original file in left window and second/modified file in right window.