When we build your custom Email Design System, we ensure that they are built in a way that renders well across as many modern email clients as possible. Below is a list of all the webmail, desktop and mobile email clients that are supported. 

This list is subject to change, as third parties may release updates to their products and devices which we can not control.

Desktop clients

Outlook 2011 (Mac)
Outlook 2016 (Mac)
Apple Mail 9
Apple Mail 10
Apple Mail 11

Mobile clients and 

Gmail App (Android)
Gmail for iOS
Inbox by Gmail (Android)
Inbox by Gmail (iOS)
Outlook Android App
Outlook iOS
Native Apple Mail, for the following devices:
iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone SE, iPhone X, iPad (Retina), iPad Mini, iPad Pro 13in, iPad Pro 15 Inch

Webmail clients

AOL Mail (Chrome)
AOL Mail (Firefox)
AOL Mail (IE)
Gmail (Chrome)
Gmail (Firefox)
Gmail (IE)
Google Apps / GSuite (Chrome)
Google Apps / GSuite (Firefox)
Google Apps / GSuite (IE)
Inbox by Gmail (Chrome)
Inbox by Gmail (Firefox)
Office 365 (Chrome)
Office 365 (Firefox)
Office 365 (IE)
Outlook.com (Chrome)
Outlook.com (Firefox)
Outlook.com (IE)
Yahoo! Mail (Chrome)
Yahoo! Mail (Firefox)
Yahoo! Mail (IE)

Platforms we support but which have known issues

Outlook 2013 (120 DPI)

This will be checked in, but due to way the email will be scaled, we can not guarantee this will exactly match the normal version. 

Outlook 2007

Only the first frame of animated gifs will be displayed. There is limited support for background images. Some minor layout discrepancies are to be expected.

Outlook 2010

Only the first frame of animated gifs will be displayed. There is limited support for background images. Some minor layout discrepancies are to be expected.

Outlook 2013

Only the first frame of animated gifs will be displayed. There is limited support for background images. Some minor layout discrepancies are to be expected.

Outlook 2016

Only the first frame of animated gifs will be displayed. There is limited support for background images. Some minor layout discrepancies are to be expected.

Windows Mail

This platform has some known rendering issues such as occasional gaps around images and very limited support for background images. 

Android 4.4

This will be checked in Litmus, but screenshots may not reflect the actual apps

Android 5.1

This will be checked in Litmus, but screenshots may not reflect the actual apps. Media queries not supported.

Android 6.0

This will be checked in Litmus, but screenshots may not reflect the actual apps. Media queries not supported.

Gmail App IMAP (Android)

This will be checked in Litmus, but screenshots may not reflect the actual apps. Full support not guaranteed for background images and media queries.