To edit the existing invoice template

  • Click on Setup and go to Classic Email Templates,
  • Click on the "PK4 TT Invoice Template"
  • Then click the Edit HTML version,
  • Edit the template as per your requirement, like adding the logo of your company, changing the colors of the email template, adding your company name, etc., and Save it.
  • You can use the edited email template for sending out invoices by email.