Outlook Archive based on Received Date
By default Outlook archives emails based on Modified date. This can cause emails to "get stuck" in your mailbox (or pst) forever.
A Registry change can change the behaviour to archive based on Received date.
Outlook 2010
HCU/Software/Microsoft/Office/14.0/Outlook/Preferences
NAME: ArchiveIgnoreLastModifiedTime
TYPE: REG_DWORD
VALUE: 1
Emails will now be archived based on Received date, Calendar items based on Scheduled date and Task items based on Completed date.
