Exchange Server 2013/2016 and Exchange Online send RTF messages in HTML format
Configure Exchange Server 2013/2016 and Exchange Online send RTF messages in HTML format Open Exchange Management Shell run the following command Get-RemoteDomain | Where {$_.TNEFEnabled -ne $false} For each Remote domain, please run the following command Set-RemoteDomain -Identity Default -TNEFEnabled $false Restart the windows service ‘Microsoft Exchange Transport’
