we would really like to have the "recipient outside you org" like we do on windows outlook!!!
recipient outside you orgfor secuirty reasons, like we have available on windows outlook
MailTips is now in Insider Fast, including external recipient and large audience tips when composing. Give it a try and let us know what you think!
James Stracey commented
Display a warning to users when they intend to send a message to external recipients.
This is currently the behaviour on iOS and windows outlook applications. Please bring these features to macOS.