YiThemes - YITH WooCommerce Sequential Order Number v1.2.1

Optimize and simplify the orders management of your e-commerce using a  sequential order numbering. How you can benefit from it: You will be able to optimize and simplify the orders management of your e-commerce thanks to their sequential order numbering; The sequential order number will improve the orders section usability and will allow you to spot orders data more easily and quickly.