Subject: Follow-up on Duplicate Order — Urgent Action Required Dear [Customer's Name], I hope this letter finds you well. I am writing to address a recent issue we had with your order from [Company Name]. It has come to our attention that a duplicate order has been placed on [date] for the same products and quantities as your original order, which was processed on [date]. We apologize for any inconvenience this may have caused and assure you that we are taking immediate action to rectify the situation. Upon reviewing our records, it seems that this duplication occurred due to a technical error in our order processing system. We deeply regret this oversight and want to assure you that steps have been taken to prevent any future occurrence of such incidents. However, we kindly request your cooperation in resolving this matter promptly. To ensure a seamless resolution, we have already canceled the duplicate order and refunded the corresponding payment. Please verify your account statement to confirm the refund. However, there might still be a small possibility that both orders were processed and shipped. In such a case, we kindly request your assistance in returning the duplicate shipment once received, at our expense. To streamline the return process, please follow the following steps: 1. Carefully inspect the packaging upon delivery to ensure it matches your original order. 2. If the packages are identical, please provide us with the tracking number(s) and date of return once the shipment is sent back to us. 3. Keep all copies of shipping receipts and communication related to the return for record-keeping purposes. Rest assured that as soon as we receive the returned products, we will promptly process the refund for the additional order. Should you have any concerns or questions regarding this issue, please do not hesitate to contact our customer support team at [customer support number] or reply to this email. We deeply value your business and trust in us, and we sincerely apologize for any inconvenience caused by this error. We assure you that we are committed to providing exceptional customer service, and your satisfaction remains our top priority. Thank you for your understanding and cooperation in resolving this matter swiftly. We highly appreciate your continued support and look forward to serving you better in the future. Warm regards, [Your Name] [Your Title] [Company Name]