ArchVision and VisMasters orders are connected to profiles where the unique identifier is an e-mail address.  Therefore it is not possilbe for users to change their e-mail addresses associated with their profile.  ArchVision Customer Service can make this change though.  To update an e-mail address please email support@archvision.com with the old and new password.  Please allow 1 business day for this change to be made.