You can launch your form (not template), under the File menu
-> Export To
-> Web
then in the Save as type, select Single File Web Page (*.mht, *.mhtml)
Although, I think you still need to use code. Set your attachment file name to the .mht file you saved.
EmailAdapter oEmail = (EmailAdapter)thisXDocument.DataAdapters["MailSubmit"];
oEmail.To = "EmailAddress";
oEmail.CC = "EmailAddress";
oEmail.Subject = "Subject Line";
oEmail.Intro = "Into Text";
oEmail.AttachmentFileName = "Attachment Filename";
oEmail.Submit();
Stephanie Cantwell / Test ManagerQdabra® Software / Streamline data gathering to turn process into knowledge