Hi to
As of yesterday my outlook is popping the above message every time I try to reply or forward a mail as HTML. i even try to save the message and send it after but even that does not work.
Can you please help
Meanwhile use below Work Around :
Switch to Rich text
Switch to semi Annual channel ( This is more stable since it get updated once in six month unlike current channel updated every month with new features )
Remove the link in signature
send through outlook web app