Note: Power Query is known as Get & Transform in Excel 2016. Information provided here applies to both. To learn more, see Get & Transform in Excel 2016.
In the Power Query ribbon tab, click From Table.
In the From Table dialog box, you can click the Range Selection button to select an Excel range to use as a data source.
If the range of data has column headers, you can check My table has headers. The range header cells are used to set the column names for the query.
You can use the Query Editor to write formulas for Power Query.
Note: The Query Editor only appears when you load, edit, or create a new query using Power Query. The following video shows the Query Editor window appearing after editing a query from an Excel workbook. To view the Query Editor without loading or editing an existing workbook query, from the Get External Data section in the Power Query ribbon tab, select From Other Sources > Blank Query. The following video shows one way to display the Query Editor.