Reorder multiple columns with Drag & Drop. Once the data is open in the Power Query Editor, hold the Ctrl key and select the desired columns in the order you want them to be displayed. For example ...

How to add a new column in Power Query. Our goal is to combine the t-shirt sales by client into a single cell for each client. Doing so entails grouping by the clients.

When you close Power Query, Excel prompts you to keep or discard the query. If you want to work with the data, choose Keep. Excel copies the results of the query into a new sheet.

If you've never heard of Excel's Power Query feature, you're not alone. Here's how to get started using it and gain a huge productivity boost.

Power Query: Filtering functions such as `Text.Contains` are case-sensitive by default. To perform case-insensitive filtering, use comparers like `Comparer.OrdinalIgnoreCase` to modify the behavior.