Explore the Responsive Framework
The Responsive Framework is a set of HTML guidelines that was designed through years of industry experience. It captures practices that help design responsive cross-client emails with minimal effort.
This page shows how different clients render the source html of the framework. Note that the goal of the Responsive Framework is not to be W3C compliant, but to be email client safe.
Apple Mail 16
Apple Mail 16
Gmail.com
Gmail.com
Gmail.com
iPhone 16 Pro Max
Microsoft365.com
Microsoft365.com
Microsoft365.com
Outlook 2019
Outlook 2019 (120 dpi)
Outlook 2021
Outlook 2021
Outlook Microsoft 365
Outlook Microsoft 365
Outlook Office 365
Outlook Office 365
Outlook.com
Outlook.com
Outlook.com
Yahoo.com
Yahoo.com
