View Standard Fix
USE CASE Target

Outlook Email Broken Layout Fix: Resolve Outlook Background Image Collapse for Transactional & System Notifications

Transactional emails (receipts, password resets, shipping alerts) carry critical operational data. Spacing collapses or broken buttons can block users from completing essential user journeys. Below is the targeted integration guide to fix Outlook Background Image Collapse inside Outlook 2019 templates when using MJML Framework.

Technical Breakdown

Outlook 2019 uses the Microsoft Word (MSO) which lacks support for standard rendering rules. This causes Outlook Background Image Collapse elements to break or collapse when rendering templates.

MJML Framework Behaviors

The MJML transpilation compiler parses dynamic columns and wraps them in custom HTML conditional tags. If you paste direct tables or VML code blocks inside an MJML layout without proper escaping, the MJML compiler will try to clean the code, resulting in stripped Outlook namespaces and broken layouts. Because system notifications are triggered frequently, ensure your CSS rules are completely inlined to guarantee readability in high-volume, automated delivery queues.

Remediation Code Block

To resolve this in Outlook desktop, you must wrap your element or cell inside a Microsoft VML (Vector Markup Language) shapes structure that declares the background image explicitly using the 'v:background' or 'v:fill' vector properties. In your MJML Framework campaign manager, make sure you configure your links to run via {{unsubscribe_link}}.

<td background="https://example.com/bg.jpg" bgcolor="#222222" valign="top" style="background-image: url('https://example.com/bg.jpg'); background-repeat: no-repeat; background-size: cover;">
  <!--[if mso]>
  <v:rect xmlns:v="urn:schemas-microsoft-com:vml" fill="true" stroke="false" style="width:600px;height:300px;">
    <v:fill type="tile" src="https://example.com/bg.jpg" color="#222222" />
    <v:textbox inset="0,0,0,0">
  <![endif]-->
  <div>Overlay Content</div>
  <!--[if mso]>
    </v:textbox>
  </v:rect>
  <![endif]-->
</td>

Live Code Sandbox Test

Interactive MJML Framework Custom Sandbox

Target Environment: Outlook 2019

How to Deploy inside MJML Framework

1

Copy the fixed VML or table wrapper code block from the remediation box above.

2

Wrap the entire RenderOps corrected table block inside an '<mj-raw>' tag block. This tells the MJML compiler to bypass parsing on this segment, exporting the exact conditional statements into the final HTML output.

Targeted Fixes by Use Case & Industry