If a customer has completed an order on your site using a credit card, their information is collected and stored by Authorize.net using CIM (Customer Information Manager) Profile. 

1. Go to Store Administration > Orders > Create Order, click 'Search for an exisiting customer.'

2.  To get started, you will need to look up their customer ID. To do this you will need either their first name, last name, or email address.  Enter the information in the field provided, and click 'Search.'

3.  Click on the customer on the results page, and click 'Select.'

4. The system will send you back to the first page, but all of the new order fields will be filled in with the customer information.  Click 'Create order.'

5.  Enter the customer's address information.

6. Select 'Credit Card' as the payment method.

7.  Add items to the order (Click Here for more details).

8. Click 'Get Shipping Quotes,' select the chosen method, and click 'Apply to order.'

9.  Submit changes.

10. Next, create a new authorization on the card.  On the View page, click the 'Charge' link in the payment box (Screenshots can be found here.)

11.  On the next page, click 'Charge Card.'  If the card is approved, the order will be moved into Payment Recieved.

12.  Change the order to Completed to finish the order.