Help Centre- staples canada cancel online order ,Orders ship by regular ground service, and generally take up to 10 business days to deliver. Your order may arrive in more than one shipment. Standard shipment methods are Canada Post, Purolator, UPS, Fedex Canada, and common carrier. During holiday seasons orders may also be delayed due overwhelming logistics and shipping volume.Cancelling or Editing an Order | Best Buy CanadaCancelling or editing a Scheduled Delivery order. If you need to cancel or change your delivery details, please call 1-866-585-4494 or email us at least 2 business days before your scheduled delivery date.