Plugin duplicates the posts,pages all at once based on the post type,post status and even year of posts created.

A fast, lightweight WordPress duplicate plugin to clone posts, pages & custom post types instantly.

Create multiple copies of a post, page, or custom post type at once, including custom fields, taxonomies, and featured images.

Create pages and posts in bulk from one template with smart placeholder replacement, dry run preview, CSV import, and rollback history.