in the file you have sent, the bindings you are using are the Validated Entries bindings. These bindings will only have a value if the form fails validation.
in the bindings panel, expand the form collection instead of the validated entries collection. Then bindings in the forms collection are the ones you should be using.
The email cannot be edited when editing the form builder wizard.
to edit the email, go to the server behaviors panel (Window -> Server Behaviors) in the list of sever behaviors double click the Universal Email server Behavior.
Sending the form data as a CSV attachment is not supported. you would need to hand code the logic to create the csv file from the form data and attach the csv file to the email.