LearnDash Content Cloner Addon GPL Overview:

The Content Cloner add-on makes it possible to clone entire courses with the click of a button, including all associated lessons, topics, and quizzes. Using this add-on, it’s also possible to mass-update the titles of the cloned course and associated content.

Click Here to read the official add-on announcement.

Add-On Features

Duplicate course hierarchy
With the click of a button, you can immediately clone an entire course including lessons, topics, and quizzes. All content is placed into “draft” status.

Bulk title editor
After cloning an entire course, the bulk title editor makes it easy for you to change the title of the course, its lessons, topics, and quizzes eliminating the need to visit each item individually.