- for the customers for whom you have enough information (ie: an order) add them
- for those you don't ... either forget them, or email them and ask them to come back and re-register
- for the orders, impersonate the customer (ie: master password contribution) by logging into their account, and place the order. Maybe change their email address to point to yourself first, or turn off email altogether while doing this.
- for gift certificates ... sorry ... if you've lost the data, you've lost the data. The only way you could reconstruct part of it is to tally all the details from your email records and manually fudge the data into the database tables
http://www.zen-cart.com/wiki/index.p...fig.2FTracking