Microsoft Outlook is the easiest to use email client in existence it allows for shared access of inboxes message board systems, online calendars and shared public folders. It is a great program. but unfortunately Outlook PST files can easily become damage or corrupted. Simple processes such as compressing files or sending the files over a network can make PST files seemingly disappear. And when important messages go missing the data they contained is often irreplaceable fortunately there is a PST recovery program available at remosoftware.com that can locate the hard disk or network location of missing PST files and repair the damaged file information. The PST file can then be resaves or written to disk.