* Make sure you have an MSN Hotmail Plus subscription for the Hotmail account you want to access offline.
* Select Tools | Accounts... from the menu in Outlook Express.
* Click Add and select Mail....
* Enter your name.
* Click Next.
* Enter your Hotmail address ("hmmzl34@hotmail.co.uk", for example).
* Click Next again.
* Make sure HTTP is selected under My incoming mail server is a __ server.
* Now, select Hotmail under My HTTP mail service provider is __.
* Click Next.
* Enter your Hotmail address ("hmmzl34@hotmail.co.uk", for example) under Account name:
* Type your Hotmail password under Password.
* Click Next.
* Click Finish.
* Click Close to close the Outlook Express accounts window.
* Now, select Yes to download the Hotmail folders list in Outlook Express.

You must now have the hotmail plus subscription to do this now, I believe