Speed up Power Query with List.Buffer. Cache lists, cut recalculation, and slash refresh times for large datasets in Excel and Power BI.

By using these strategies, you’ll be able to streamline your workflows, save time, and unlock valuable insights from your datasets. Remember, mastering Excel Power Query is an ongoing journey.

Figure A Transfer the Excel Table into Power Query. 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.

Microsoft Power Query requires less specialized knowledge when trying to find duplicate records in a Microsoft Excel sheet.

Then, use the drop-down menus to select the tables you want to append. When you click "OK," the Power Query Editor reopens with the selected tables appended.