This is something which previously affected one of our readers - - Recover your .OST files Advanced Exchange Recovery 1.1 Has Been Released! Advanced Exchange Recovery is a powerful recovery tool for Microsoft Exchange offline storage(.ost) files. When disaster occurs on Microsoft Exchange server, such as server crashes, server database corruption, etc., the Exchange offline storage files(.ost) on the client computer still contain the mail messages and all other items of your Exchange mail account. Advanced Exchange Recovery uses advanced technologies to scan the orphaned or damaged Exchange offline storage files(.ost) and recover your mail messages and other items as much as possible, so to minimize the loss in data disaster.   read more »