Github Issue: https://github.com/OfficeDev/office-js/issues/1779#issuecomment-829159262 Essentially, there is no way to stop OWA from appending the original message to the body when replying to a...
This feature would help us with our add in, having this inconsistency with the different supported Microsoft platforms and if the ellipsis is clicked or not, causes our Application to also act inconsistency which is not ideal.