Order Delete for Magento 2 is an easy to use extension that enables you to delete the orders from the sales order grid. You can delete multiple orders simultaneously by using mass action. The orders deleted once cannot be recovered, so order delete operation should be performed carefully by checking each and every order's details first and then delete it if needed. For this reason, individual order delete functionality is also provide to avoid the risk of deleting required orders.
Delete Orders individually.
Whenever an order is deleted, the invoice, shipment and credit memo associated with that order also get deleted.