Select at least one Y column (or a range from at least one Y column). Ideally, select at least two Y columns (or a range of at least two Y columns). If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
(Installed to the Origin program folder)
The Y value of each data point is represented as the height of a column. And Z value should be kept Auto in the Miscellaneous tab of Plot Details dialog.