You can cancel your order with the ComputerCableStore.com by send an email to customerservice@ComputerCableStore.com by 2:00PM EST. the day the order was placed. Please write "Cancellation Order" followed by your Order Conformation number found in the conformation email which is sent to you shortly after your ordered is placed. Custom cables orders may not be cancelled after 12 hours of placing the order. If you need to cancel or make a change to a custom order you must call this request in and speak with a customer service representative at our location within this 12 hour window. If you can not reach a live person you can leave a message in the customer service voice mail stating your request. (Note: all voice mail message are time and date stamped by our voice mail system.) Since custom cable orders are usually very specific and are generally for a specific customers application we can accept any cancellation. Customers will be charged for the complete order amount.