Access the Automation section: Click on "Automations" in the left menu, then select "Automation Messages."

Find the automation: Locate the automation with the email you want to edit and click the right arrow to expand the list.

Select the email to edit: Click the "Edit" button next to the email you wish to update.

Modify the content: The email designer will open. Make your changes to the email content, then click "Next."

Update the email campaign details: From here, you can edit the subject line, preheader, "From" name and email address, and email tracking settings. After updating these details, click "Next."

Save changes: Click "Save and exit."