Data cleaning is a crucial step in the data analysis process. Inaccurate, incomplete, or inconsistent data can lead to flawed insights and poor decision-making. Fortunately, Excel 365’s Power Query ...

PowerQuery is a powerful tool in Excel that allows you to import, clean, and analyze data from various sources. One of the key features of PowerQuery is its ability to refresh data automatically, ...

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 ...

Learn how to use Excel Power Query's extract and split column features to extract delimited strings into their components with this step-by-step tutorial. You might receive foreign data in the form of ...

Have you ever found yourself staring at a sprawling Excel workbook, wondering if you’re using the right tool for the job? Between Power Query, Power Pivot, and VBA, it’s easy to feel like you’re ...

Q. There was a December 2020 article in the JofA about cleaning and joining data using a program called Alteryx, but we don’t have access to this program. Could you explain how to do those tasks using ...

Power Query is a game-changer in terms of the amount of time I save, ensuring imported data is ready for analysis in Excel. If you're new to this tool, it's helpful to know a few commands that can ...

Microsoft has restarted its monthly feature round-up, detailing how Excel changed during January 2026 across Windows, Mac, and the web. The headline upgrade is Agent ...