When we were working on a Drupal website using Ubercart, we wanted to override the text content of the default email sent out by Ubercart. Drupal does not give us a configurational method to implement this. If you do not know how to override the default email sent out by Ubercart during checkout, continue reading.
Ubercart stores the default content for email in template files. These templates can be found inside the ubercart/uc_orders/templates folder. Ubercart uses three template files.