Add full SKU support to WooCommerce: Set SKU by custom format (prefix, suffix, number length, category, tag) automatically for new products. Regenerate SKUs for all existing products (or regenerate only for products with no SKU). Add product searching by SKU on frontend. Add SKU to customer emails. Allow Duplicate SKUs. Feedback We are open to your suggestions and feedback, and thank you for using or trying out one of our plugins! Drop us a line at www.algoritmika.com. More Visit the SKU Generator for WooCommerce plugin page.