About six months ago, Microsoft introduced a new feature in Outlook.com called "Joyful Animations". It is turned on by default but can be turned off per user settings. According to Microsoft:
Outlook automatically shows a celebratory burst of colorful shapes in the reading pane when you open a message that includes words like Happy Birthday and Congratulations.
The feature highlights certain keywords with a different background color and text color. When hovering the keywords, a confetti animation appears.
Based on the owa.ReadingPane.mail.js file on Outlook.com, this only applies to three expressions (not case sensitive):
About six months ago, Microsoft introduced a new feature in Outlook.com called "Joyful Animations". It is turned on by default but can be turned off per user settings. According to Microsoft:
The feature highlights certain keywords with a different background color and text color. When hovering the keywords, a confetti animation appears.
Based on the
owa.ReadingPane.mail.js
file on Outlook.com, this only applies to three expressions (not case sensitive):The following code in an email:
…will be transformed by Outlook.com into:
I haven't found a way to prevent this transformation. However, the styles can be overrided by adding the following rule: