One of the first things I learned about Power Query—and a rule I still follow religiously today—is to not select a column and delete it. To build a truly resilient dashboard, you must instead tell the ...

When working with address data, you may encounter situations where you need to merge multiple columns, such as address, town, and postcode, into a single column. Power Query makes this task a breeze.

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.