Using Internet Explorer

Steps to add a column to an existing table in Internet Explorer:

1. Place the cursor in any table cell.
2. Select the 'Table' option from the menu bar at the top of the editor window. A drop down menu will appear.
3. Click 'INSERT COLUMN' and a new column will be placed at the bottom of the table.

Using Mozilla Firefox

Steps to add a column to an existing table in Mozilla Firefox:

1. Place the cursor in a table cell next to where you would like a new column added.

2. Click the left arrow of this icon to add a column to the left, or the right arrow to add column to the right (image below).