Data used: Sale of Different flavors of ice cream on Store 1 and Store 2. In this tutorial we will learn how to add a custom label to scatter plot in excel.Below we have explained how to add custom labels to x-y scatter plot in Excel.In excel, enter two columns of numbers, highlight them, then choose insert graph. Depending on the amount of data, you could use a graphing calculator or an Excel type spreadsheet.Quickly select a large range of cells with Name box Click the first cell in the range to select it, and then click the Name box, type the cell reference of the last cell in the range that you want to be selected. In a worksheet, click the first cell in the range, and then hold down Shift while you click the last cell in the range.