With a new setting in WorkPoint Express under the behavior pane it is now possible to activate the new journal flag feature.
Activate the setting
From the behavior settings in WorkPoint Express you can activate and set a flag color
The feature in action
After dragging an email to a email enabled document library in WorkPoint, a flag is set on the archived email in Outlook so that you with a glance at your Outlook inbox know whether or not an email in your Outlook has been archived in WorkPoint.