Broadcast messages may be saved both as messages that have been sent as well as messages that have not yet been sent (drafts). Messages that have been sent will be archived and saved. Messages that have been created but not sent may be save as "drafts".
All sent messages are saved in "Recently Sent Messages". They are archived by date in folders with details of the date sent, the message and the recipient list.
Clicking on "View Recipients" will display specifics on those recipients who "opened" the message and those who did not.
Messages that have not yet been sent may be saved as in "Saved Message Drafts" as draft messages. Once these messages have been sent they will no longer be saved as a draft. If you would like to keep copies of draft messages, simply copy and paste the content of the draft message into a new message and then send the new message not the draft message.