Power Query: Operations

If you’ve ever opened a dataset and felt overwhelmed by blank rows, duplicate entries, or cryptic error messages, you’re not alone. Raw data is rarely clean—and that’s exactly why Power Query exists.

Power Query is a game-changer for data transformation, but its true power lies in how well you understand and manage data types. In this guide, we’ll break down everything you need to know—from the basics to best practices—so you can stop wrestling with messy data and start building smarter reports.