See more related video:Multiple Layer Bar Plot
Select one or more Y columns or a range of data from at least one Y column. If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, select Plot > Bar, Pie, Area: Bar.
Click the Bar button on the 2D Graphs toolbar.
BAR.OTP (installed to the Origin program folder).
@CLP = 1
You can restore the pre-2018 behavior using wks.KHRA=1; (you could, for instance, add this to the workbook Script Panel).