the best possible solution would be to use a Professional Password Revealer. One such program that is used for recovering passwords of files pertaining to Outlook and Outlook Express is the Outlook Express Password Revealer. A Read only software, this tool effectively supports all the versions of Outlook Express and Outlook including versions 5.0, 6.0 and 7.0 for OE and 2003 to 2007 for Outlook.