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.

In this video, learn how to create fully clickable tabs inside a single Excel sheet that change colors when selected, automatically updating the corresponding data. This technique consolidates ...

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.

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

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

Microsoft's March 2026 Patch Tuesday includes fixes for 83 vulnerabilities affecting Windows, Office, SQL Server, Azure and .NET.

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.

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

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 ...