Outlook Express is the email client provided free with Microsoft Windows. It is a great email system but prone to certain problems when you compressed and unzip Outlook Express files they are particularly apt to lose data and become corrupted. When this problem occurs you will need software designed to recognize damage Express MBX files and restore them. Currently, the best program available for this purpose is REMO Outlook Express Recovery Software.
As with all REMO programs this one is designed to be used by anyone regardless of their computer experience. If you can send an email you can use a REMO program to rescue lost files. For those using Microsoft Outlook REMO also has a program built to accomplish swift PST repair. PST files are the extension used on Outlook the full-blown version of Outlook Express.