If you get the Download did not complete error message when using Power Query in Microsoft Excel, use these fixes.

Quick Fixes for “Retrieving Data. Wait a Few Seconds” in Microsoft Excel Wait for a Moment and Try Again: The most immediate and sensible fix would be to give Excel a second or two to breathe.

How do I enable external data connection in Excel? To enable external data connection in Excel, you need to open the Options wizard and go to the Trust Center Settings.