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 ...

We've all been there: struggling with a nested Excel formula that breaks when your data shifts, or using Flash Fill only to find it missed half the rows. I stopped relying on those fragile workarounds ...

Have you ever stared at a massive dataset, only to realize it’s riddled with empty columns that serve no purpose? It’s a frustrating scenario—one that wastes time, clutters your workflow, and makes ...

Excel formulas are great until you need to stack 10 of them inside each other—one wrong bracket can ruin your entire afternoon. You can skip the headache by moving that logic into Power Query.

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 ...

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 ...

Sometimes the current Microsoft Excel data structure doesn’t match requirements of other users and software. Learn how to combine columnar values into a single cell using Microsoft Excel’s Power Query ...