C:\documents and settings\your
name\localsettings\applicationdata\identities\{C08C0DA5-5D93-97A0-927842901A
4}\microsoft\outlook express
You will find that this is a hidden folder so you will need to 'unhide' it.
If you don't know how to unhide folders then go to my web site www.freelanceit.glowinternet.com
Click on the Win XP faq button and look at question 11
If you are asking about Outlook Express, go to Tools | Options | Maintenance
| Store Folder and OE will tell you where the files are.
In order to see the files you will have to set Windows Explorer to show
hidden files and folders.