Outlook Email Broken Layout Fix: Resolve CSS Flexbox Collapse
A programmatic integration guide for resolving email rendering crashes inside Outlook App (iOS & Android) using ActiveCampaign'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 CSS Flexbox Collapse elements to break or collapse when rendering templates.
ActiveCampaign Specific Guide
ActiveCampaign's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Outlook App (iOS & Android).
Insert an 'HTML block' from the layout builder panels. Avoid standard text boxes, as the ActiveCampaign parser might strip conditional MSO comment strings on saving.
ESP Unsubscribe Alignment
When compiling custom HTML templates for ActiveCampaign, you must ensure your layout retains deliverability compliance loops. ActiveCampaign requires you to insert their specific unsubscribe merge tag, otherwise your campaign delivery will be flagged by automated spam audits.
%UNSUBSCRIBELINK%Documented Client Behavior
Expected layout behavior based on target rendering engine specifications:
Auto-compile fixes inside RenderOps Workspace
Load layout code directly into our Retrofit Compiler to compile responsive table frameworks that display cleanly in Outlook App (iOS & Android).