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Select your email and click Edit Draft.

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Click Edit Code

Make any changes. Click Save when done.

Marketo note

Change whatever you want. You can replace the entire HTML or make minor adjustments.

Click the Code Actions drop-down to download the code as an .html file, inline your CSS, or validate the HTML.

Marketo note

The best practice for emails is to make all your styles inline. Several email clients don't support CSS within the <head> section.


These code changes will not break an email from its template:

  • Edit Editing the contents of any Module (including adding new Elements inside the Module)
  • Add Adding a new Module to the Container
  • Delete Deleting a Module from the Container
  • Change Changing mkto-specific attributes (for example, "mktoName" or "mktoImgUrl") of any Element outside of a Module
  • Edit Editing the contents of any Element (rich text, image, video, etc.) outside of a Module

These things you can do in the code editor will break the email from its template:

  • Change Changing anything in the code outside of an Element or Module
  • Add Adding or change changing non-mkto attributes (for example, "id" or "style") of any Element outside of a Module
  • Delete Deleting an Element that is outside of a Module