Applies To - QuarkXPress 2020

Summary - QuarkXPress 2020 enables its users to duplicate single or multiple pages with ease. We have added the ability to duplicate the selected pages with the help of an easily accessible menu option to page layout palette. The duplicated pages will be inserted after the last page in the currently selected pages. 

Solution :

Navigate to Windows>Page layout

Select the page you want to duplicate.Right Click and select Duplicate Pages