The Dialog Insight application allows the use of certain Google fonts when creating messages, which are unfortunately not supported by all mailboxes. This is due to the fact that some e-mail applications, such as Outlook and Gmail, do not support the Cascading Style Sheets (CSS) required for Google fonts to work properly. However, the mailbox is not the only one involved, because the support of Google fonts depends both on the email application used and on the integration of the font in the message.


In the Dialog Insight application, Google fonts have been integrated with the HTML tag <link>, as well as with the CSS rule @import. The combination of these two elements allows the visibility of Google fonts on a larger number of mailboxes. In addition, since the Outlook desktop application does not handle fonts in the same way as email applications available on the Web, a CSS style has been added to modify the font by Arial.


Support in mailboxes

MailboxesGoogle Font Support
Outlook 2007 / 2010 / 2013 / 2016 / 2019 (Windows)No
Outlook 2016 (Mac OSX 10.8)Yes
Thunderbird
Yes
iPad and iPhone (iOS 12 / 13)
Yes
Gmail Pixel (Android 6 / 7 / 8)
No
GmailNo*

*The "Roboto" font is the only one displayed in Gmail.

Google Apps
No
Office 365
No
Outlook.com
No
Yahoo!
No
Apple Mail
Yes


Why use Google fonts if they are not supported by all applications?

Simply because the use is simple, free, and stable, i.e. the URL of Google fonts will not change over time. Moreover, these fonts are up to date, they are available to everyone and we are sure that they will be visible in applications that support CSS style. In case the Google fonts font is not visible, it will be replaced by a serif (serif) or sans-serif (sans serif) font, depending on the font choice made in the Dialog Insight application.