Prevent Outlook messages being sent as winmail.dat files when using Office365 and Outlook 2013/2016

Prevent Outlook messages being sent as winmail.dat files when using Office365 and Outlook 2013/2016 Today I got a call at the office regarding e-mail messages being displayed incorrectly as winmail.dat. To make things even more interesting, not every user is experiencing this issue. Right, so how to fix this? Let us show you in our…