
Originally Posted by
DrByte
A snapshot of customer details is taken and stored in the order. That information is completely different from the customer's address book. For example, if the customer were to move a month after placing an order, you *still* want to know the details of the original address on the order. The fact that they moved *later* should not affect the original order data.
If you want to change the customers' email address on the order, you'll have to hack in the raw order data in the orders table in the database, using phpMyAdmin.