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How to Fix CSS Grid Broken Columns in Outlook 2016
for MJML Framework Campaigns

A programmatic integration guide for resolving email rendering crashes inside Outlook 2016 using MJML Framework's layout editor environment.

Root Bug Analysis

Outlook 2016 uses the Microsoft Word (MSO) which lacks support for standard rendering rules. This causes CSS Grid Broken Columns elements to break or collapse when rendering templates.

Active rendering engine: Microsoft Word (MSO)

MJML Framework Specific Guide

MJML Framework's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Outlook 2016.

Integration Step:

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.

ESP Unsubscribe Alignment

When compiling custom HTML templates for MJML Framework, you must ensure your layout retains deliverability compliance loops. MJML Framework requires you to insert their specific unsubscribe merge tag, otherwise your campaign delivery will be flagged by automated spam audits.

MJML Framework Unsubscribe Tag:{{unsubscribe_link}}

Documented Client Behavior

Expected layout behavior based on target rendering engine specifications:

Documented behavior: CSS Grid Broken Columns causes elements to stack vertically or clip in Outlook 2016 when templates are sent from MJML Framework.

Interactive MJML Framework Custom Sandbox

Target Environment: Outlook 2016

Auto-compile fixes inside RenderOps Workspace

Load layout code directly into our Flexbox→Table Compiler to compile responsive table frameworks that display cleanly in Outlook 2016.

Launch Flexbox→Table Compiler

Fix CSS Grid Broken Columns on Other clients for MJML Framework