Margin is the area between the edge of the page and the main printed area. Together, the four margins (top, bottom, left, and right) look like a rectangle around the page’s perimeter. Margins don’t print when you print or export the publication.
Note: It is assumed that you’re currently in the Editor workspace. For more info how to get there, click here.
Step1. Hover the cursor over the Preferences button from the top.
Step2. Find the Show Margins option and switch it on for showing them or switch off if you wish to hide them.
Step3. Save the page and you are done!