In order to add a column directly into a post or onto a page you must be editing the page. Place your cursor where you want to add the column.
A window will appear giving you options for how many columns, and how much room each column will take.
To select a column, click from the
Add Columnsarea. This will display in the preview, and you can unselect the choice by clicking on the column in the preview area.
Finally, click the
Insert Columns” button.
For each column, highlight with the cursor from after the
Cto the end of the number. Input your content, and then delete the
C. This will keep the column from getting messed up when editing in the Visual mode.
Your new columns should look something like this: