Today I learned that Excel incorrectly assumes 1900 was a leap year, and Microsoft won't fix it because the whole house of ...

Of the 300 students Steve Etter teaches every semester, more than 95%, according to Etter’s best estimate, perform financial ...

ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.

From hidden system settings to faster browsing, here are 12 surprising things your laptop's function keys can do. Master your ...

Microsoft Excel is a powerful tool that can streamline your work, boost productivity, and elevate your skills. Whether you’re a beginner or a seasoned professional, there are plenty of free online ...

Mica automates Excel via natural language. The local AI tool executes tasks directly within spreadsheets, replacing ...

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

So far Excel users had three ways to invoke Copilot. Microsoft has now decided that was three too many. In February 2026, the company retired App Skills entry points from the Excel ribbon and context ...

The introduction of dynamic arrays triggered the biggest change to how we work with Microsoft Excel formulas in years, if not decades. They allow a single formula to spill multiple results into ...

Microsoft has woven its generative AI technology throughout Microsoft 365, the company’s productivity suite. Its Copilot AI assistant is most often used in M365 apps for text-oriented actions, such as ...

The Microsoft Excel World Championship 2025 wrapped up with yet another champion reigning supreme. This year’s champion beat out 23 Grand Final rivals at the Las Vegas HyperX Arena. The annual ...

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. According to a service alert (EX1189359) seen by BleepingComputer ...