To edit the existing email template,

  • From the Admin ID, search for Email Templates in the App Launcher and click it
  • You see the list of email templates that already exist in your org
  • Click the edit button, for the template that you want to edit,
  • Make the necessary changes to the template and save it.

Note: You can also create a new email Template by clicking the "New Email Template" button in the Email Templates tab.