If you want to increase or add a new column inside your table, you can follow these steps:
- First, Place the cursor in the column adjacent to which you want to add your column
- Now, Right click the mouse
- It will now display a menu
- Place the arrow over the Insert option in this menu
- It now shows a new list of commands
- As required select the ‘Insert Columns to the Right’ or the ‘Insert Columns to the Left’
See the image: