See Microsoft Outlook 2013: Sent Emails Have No Superior Item If You Are Using IMAP. Important: You should only use this solution when you do not use automatic email tracking. Go to the Rules and Alerts section and make sure that you have no rules that makes copies in the Draft folder.Option 2: Check Email Rules in Microsoft Outlook Go to Mail section and scroll down to the Save messages part where you need to mark When replying to a message that is not in the Inbox, save the reply in the same folder.Medium Resolution Option 1: Resolution for Microsoft Exchange / IMAP It happens when IMAP is used, but you can experience it on other types of accounts. Even though the email was sent, it remains in the Draft folder.
