When you open Outlook, it gets a taskbar button. When you open emails, those
opened emails get grouped together with Outlook. So if I have 10 open emails
and finally decide to close things, right now I right-click the Outlook
taskbar button, hit "Close Group", and then re-open Outlook.
It would be better if the Outlook taskbar button was seperated from the
emails opened, then I could just close the grouped emails without