There is good tool which works with dbx and other outlook express files-repair .dbx file,as far as i know tool is free,it recovering corrupted Outlook Express folders,extract all messages that should be recovered from the dbx repair file,save all extracted messages to the hard drive as message files in the eml format before a repairing Outlook Express,tool repairing corrupted Outlook Express folders comes down to the process of repairing the corresponding *.dbx files (dbx repair, repairing Outlook Express),recover on the hard drive, on a CD or a DVD or on a flash drive,supports files of the .dbx format for Outlook Express versions 5, 5.5 and 6,repair dbx files of Outlook Express in the batch mode,recovers information from *.dbx files up to 4GB in size.