Microsoft’s March Patch Tuesday fixes 78 vulnerabilities, including Office preview pane flaws, an Excel Copilot data leak risk, and an AI-discovered 9.8 severity bug.

Transform messy spreadsheets, remove errors, and refresh tables automatically without writing a single formula.

Microsoft has confirmed that a hacker who successfully exploits a zero-day SQL vulnerability could gain system administrator privileges. Here’s how to fix it.

After a whopper of a Patch Tuesday last month, with six Microsoft flaws exploited as zero-days, March didn't exactly roar in like a lion. Just two of the 83 Microsoft CVEs released on Tuesday are ...

Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

OpenAI launches ChatGPT for Excel powered by GPT-5.4, enabling users to build, update, and analyze spreadsheet models using plain language.

Don't let Excel move on without you.

As I described here, Power BI can send SQL queries in parallel in DirectQuery mode and you can see from the Timeline column there is some parallelism happening here – the last two SQL queries ...

If Excel is where you track projects, plan budgets, manage clients, or run your side hustle, you already know it’s a powerhouse. But turning rows and columns into real answers—spotting trends, ...