Outlook Express mail resides on the local machine, least thats how I am setup at home. I believe you can Export the mailbox to a pst file which can be Imported back into Outlook Express once you have done your upgrades. eric >>> kumar@xxxxxxxxxxxx 02/19/02 02:18AM >>> http://www.MSExchange.org/ BlankHi guys If we upgrade winnt4.0 workstation outlookexperss mails will go or will be there.. It is a foolish question but I need conformation Thanks in advance Kumar ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: elanyon@xxxxxxx To unsubscribe send a blank email to leave-exchangelist-668870R@xxxxxxxxxxxxx