NOTE: You can also open the Progress Window by simply pressing the shortcut key i.e., Command +7. The following steps are required to be followed at the time of using Progress Window: These steps need to be followed soon after you click on the Send button. If the message sent by you is not delivered and you want to make some changes to it, you can easily do so by using Progress Window. Use of Progress Window in Order to Stop A Message You’ll need to follow these steps in order to do so: Editing of the message cannot be done directly. In order to overcome from such scenarios, you can edit the suspicious messages and then continue to work normally.
Various reasons like removal of user’s access from Outbox, large size of the message, etc., are responsible for this issue. However, there are many issues when email is stuck in the Outbox in Outlook for Mac 2011 that trouble users every now and then. When connection is established between Outlook and email Server, it delivers the message and a replica of the message is found in Sent Items.
On sending a message, it is first moved to Outbox by Outlook.