As Microsoft ramps up Copilot’s capabilities in Excel, the AI tool is becoming genuinely useful for spreadsheet work.

Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with pseudo-inverse training implemented using JavaScript. Compared to other training techniques, such as ...

Standard Excel tools can usually get the job done, but they often lack the resilience and flexibility needed for complex data and transformation tasks. Power Query doesn't just perform these tasks ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know. Our team tests, rates, and reviews more than 1,500 products each year to help ...

A screenshot shared on social media in February 2026 authentically showed an email from the Epstein files proving that he was ...

My main program is the Excel Pro Challenge. It is a 15-day step-by-step course that takes you from beginner to confident — ...

One formula filters, dedupes, and ranks your data into a live list. No more manual sort or remove duplicates.

Your PC’s storage media is subject to malware and, on occasion, natural disasters such as lightning, fire, etc. — which is why formulating a backup strategy is critical for keeping your data safe. Our ...