This is often due to an Outlook configuration or the "Rich Text" format.


Solution 1: Change the Outlook settings

Follow these instructions to change the settings for rich text mails:


https://www.lifewire.com/prevent-sending-winmail-dat-attachments-1173717 

https://appuals.com/fix-outlook-sending-winmail-dat-attachments/

 


Solution 2: Change the format of the forwarded attachment

SoSafe can change the format from the EML file to three separate files:

  • header
  • Body
  • Annexes

Please contact us directly and we will change the format for you.