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Outlook Email Broken Layout Fix: Resolve Gmail Line-Height Shifts

A programmatic integration guide for resolving email rendering crashes inside Outlook App (iOS & Android) using SendGrid's layout editor environment.

Root Bug Analysis

Outlook App (iOS & Android) uses the WebKit / Blink Wrapper which lacks support for standard rendering rules. This causes Gmail Line-Height Shifts elements to break or collapse when rendering templates.

Active rendering engine: WebKit / Blink Wrapper

SendGrid Specific Guide

SendGrid's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Outlook App (iOS & Android).

Integration Step:

Open SendGrid Design Editor, toggle the view mode to Code Editor, or insert a custom 'Code' module block inside your drag-and-drop layout. Drop the corrected code inside the box.

ESP Unsubscribe Alignment

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

SendGrid Unsubscribe Tag:{{{unsubscribe}}}

Documented Client Behavior

Expected layout behavior based on target rendering engine specifications:

Documented behavior: Gmail Line-Height Shifts causes elements to stack vertically or clip in Outlook App (iOS & Android) when templates are sent from SendGrid.

Interactive SendGrid Custom Sandbox

Target Environment: Outlook App (iOS & Android)

Paste Your Broken Code

<p style="font-size: 16px; line-height: 1.5em; margin: 0;">Typography Paragraph</p>

RenderOps Compiled Output

<!-- Paste code on the left and click compile to output clean fallback tags -->

Auto-compile fixes inside RenderOps Workspace

Load layout code directly into our CSS Inliner to compile responsive table frameworks that display cleanly in Outlook App (iOS & Android).

Launch CSS Inliner