Use this form to change the email address associated with your Mark/Space product registration. We ask that you keep this information up-to-date in the event that you need to download another copy of your product and/or have your existing registration code resent to you. If you are unable to locate your order using this form, contact our sales department for assistance.

In order to validate your request, please provide your order ID, telephone number or zip/postal code in addition to your old email address. Upon completion of this change a confirmation email will be sent to both your old and your new email addresses.