How to change type of messages in the mailbox (Useful for dealing with Symantec Enterprise Vault)

DocMessageClass Utility allows changing type of messages from IPM.Note.PendingArchive (or PendingArchivePart) to IPM.Note (ie. normal message).  http://www.plustech.co.uk/Products/downloads/DocMessageClass.zip

I used it many times and found very useful.