1.
Select Tables > Stack.
Stack Window
4.
Select the Contiguous option if the series consists of adjacent columns.
Assigns a name to the column that will contain the data for the stacked columns. The default name is Data. Leave the box empty if you do not want this column to appear in the new table.
Assigns a name to the column that will contain the original table’s column names. The default name is Label. Leave the box empty if you do not want this column to appear in the new table.

Help created on 9/19/2017