You will need to explciitly copy user properties form the old to the new
item
MailItem.Reply/REplyAll events are probably teh best places to do that.

Dmitry Streblechenko (MVP)
http://www.dimastr.com/
OutlookSpy - Outlook, CDO
and MAPI Developer Tool

"sd" wrote in message
oups.com...
hello
I've set & saved userproperties of message at Application_ItemSend.Now
when the message is received & user clicks Reply I need to retrieve
Userproperties of message.how to do this ?( Outlook 2007 & VSTO add
in)
I was able to retrieve this info when forwarding mail but not when
replying it.
Thanks
-sd