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.

Have you ever stared at a tangled web of paired columns in your dataset—”Size 1/Value 1,” “Size 2/Value 2,” and so on, wondering how to make sense of it all? It’s a common frustration for anyone ...