Note: Please note this option only export custom post type not its posts, so you can use default export option to export posts.
1. Go to Dashboard » WT Timeline Designer PRO » Custom Post Type.
2. Select Post type from existing list of post type list.
3. Select Export option from drop-down and click on apply button.
4. Once you click on the apply button then a JSON formatted file will download which you can use for import settings in your other website.