Files with *.dbx extensions are used by outlook express.
Since you have all your mail files in your D Drive, all you have to do is to import them into outlook express.
Here is the procedure.
1. Open up Outlook Express.
2. Go to File> Import>Messages
3. In the Select Program, you select Microsoft Outlook Express 6.
4. Click on Next
5. Click on the Browse Button and navigate to the area in your D drive where your mail files are saved.
6. Choose All folders to import all the messages, and then click Next. You can also choose Selected Folders to import messages from one or more folders.
7. Click on Finish.
Regards,
Eddy
auh1000@yahoo.com
This will bring back all the messgaes in all the folders back into Outlook Express.
The following are some resources that you should look at that i found at the Microsoft Knowledgebase.
i. How to backup and restore Outlook Express data.
http://support.microsoft.com/kb/270670/en-us?spid=2578&sid=50
ii. How to export e-mail messages from Windows Mail & Outlook Express into Outlook.
http://support.microsoft.com/kb/196347/en-us?spid=2578&sid=50