Did you know that data analysts spend up to 80% of their time cleaning and preparing data? If you’re nodding in agreement, you’re not alone. The good news is that tools like Power Query in Excel and ...

Instead of tedious hands-on repairs, Excel lets you quickly clean, reshape, and combine CSV files through repeatable Power ...

When you want to combine values in Microsoft Excel, instead of complex expressions or VBA, opt for Power Query – it’s fast and easy. My TechRepublic article How to combine values from a column into a ...

Highlighting or even deleting duplicate records in Excel is simple but listing them isn’t as easy. Fortunately, you can use Power Query to easily display a list of duplicate values or records. Whether ...

Null values can be a significant hurdle in data transformation, particularly when dealing with financial data. While Power Query provides various methods to tackle these null values, the coalesce ...

A new Excel optimization guide outlines practical steps to improve workbook performance by targeting common calculation and data structure bottlenecks. Tips include replacing volatile formulas, ...

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 ...