The video below shows the process of insert column into a table (click the button on the bottom right of the video to expand the view). You can also follow the screen shots and steps below this.
2) Click on the 'Pages' button in the left hand side of the Toolkit.
3) Select the page you want to edit .
4) Click on Insert Table button.
5) Click on the 'OK' for save before loading the table editor.
6) Click on the Insert Table button on the far left hand side and a Table Wizard will drop down giving you options about the size of table you may require. Choose your desired table size and click in the box. The squares in the Table Wizard will highlight in blue to indicate the table size.