There are two relevant GPO settings in the Outlook 11 ADM template. "Autoarchive Settings" and "Retention Settings". Retention deletes old items without archiving them, correct? I don't want to do ...
I have also seen this problem, essntially exactly the way you describe it. No idea what's causing it, though. I believe it's been pesent in Outlook for many years. I would also be interested in any ...