This guide shows you how to hide/show columns in WorkBook.
If you wish to define which columns to be shown simply just right click anywhere in the columns. In the pop-up click on ‘Modify grid’.
From here the dialog shows which columns is currently hided. To show the column(s) just remove the choices from the list and press ‘OK’.
However, if you want remove columns then just type in the columns that needs to be hided and press ‘OK’.