The article can also be used for duplicating List and Userview.

Form Builder allows regeneration of forms from one application into another form.

  1. From the originating form, simply copy Advanced:JSON Definition link from the bottom right corner of the form builder as shown below.
  2. Go to your target form, click on the Advanced:JSON Definition link and paste the copied JSON definition into it. Click update.

You are overriding the definition of the target form, with effectively means that you will lose everything from the original target form including the form name and form table name.