Open your indesign project file.
How to edit gutters in indesign.
What is an indesign gutter.
This brief video provides an overview of how to change the width of the margins and gutters in an existing indesign document.
Select the page or pages you want to change select from the pages panel from the top menu select layout margins and columns.
Within text frames adobe indesign s text frames can flow text from one column to another within a multi column frame.
It also covers how to add addit.
In the popup margins and columns window set the number of columns desired must be two of more set gutter option to desired width.