John, Thanks for your email. I would like to give some brief and suggestion b4 using EXmerge utility. At present one of my client company retriving their emails from ISP through PoP3 address with MSOutlook 2003. In near future they wants to setup an Exchange 2003 server for receving and sending emails inside their company and needs exchange and client connectivity on MSOutlook 2003 not want to use PoP3 address to retrive all emails from exchange mailbox. Some of them are roaming users also wants to check there old messages through OWA which is stored in mailbox. Now the question is how can i import .pst file into exchange 2003 mailbox so that they can see there old messages which are retrived from ISP mailbox into MS Outlook2003? They wants all folders of .pst file should be appear into OWA when they connects it from outside? Any suggestion and help will be highly appreciated? Regards, Jav.