Yes! Within our email editor, you have the ability to resize columns within a row.
Navigate to your intended email, locate your multi-column row and click on the row. This will open the settings for that row in the right-hand drawer.
Within the row settings drawer, scroll down to Columns Structure
In Columns Structure, you are told how many columns are in your row and what is the size of each column. You can click on the drag & drop icons in between each column, this will allow you to drag the column to the left or right which will change the size of that column.