Once an order is placed on Envelopemall.com, it is generally challenging to change the delivery address. Orders are processed quickly to ensure timely shipping, which makes modifications difficult. However, depending on the timing of the request, it may still be possible to update the address before the order is dispatched. The best approach is to check your order confirmation and visit the current web page for any specific instructions regarding order modifications or address changes. Typically, there may be a limited window for making such changes, so it is advisable to act promptly. If the order has already been shipped, the address cannot be changed. In that case, you may need to reach out to the shipping carrier for further assistance. Always refer to the provided information on the Envelopemall.com site regarding their policy on order changes to ensure you receive the most accurate and detailed guidance.