Magento default does not allow to delete order and related documents like invoices, credit memos, shipments.You can only mark it to cancelled but you can't delete it. Delete Order by SiteClue help you to do that simply just simple clicks. Let's try
Features:
1. Delete order with any status
2. Mass order delete
3. Delete all related documents like: invoice, credit memo, shipment
4. Easy Installation
5. Compatibility With Magento Community Editions.