How to Recover Damaged .pst Files due to Malware
Microsoft Outlook is most widely used email client application. It is best for managing emails, appointments and other utility related to Outlook. These data are saved as .pst files as personal storage table. There is no doubt that data stored as .pst files can get corrupted due to number of factors. Malware being one of them. If somehow your system has security loopholes, malware or virus can attack archive .pst files and can badly damage it. In such scenario, one cannot access the data stored on MS Outlook and it can be a huge loss from business perspective. Since all important contacts, appointments, notes are stored as personal storage table.
for details: https://en.wikipedia.org/wiki/Personal_Storage_Table
Malware attack is reported as one of the biggest problem that can attack system and cause severe corruption of .pst and its header files. This can cause biggest malfunctioning in the smooth performance of MS Outlook. Once PST files becomes corrupted due to malware virus, the archive files becomes inaccessible. Eventually when a user tries to access them on Outlook is confronted with error messages indicating “Cannot Start Outlook”, “invalid .pst format”, The file .archive is corrupted or is invalid.
What is really mind boggling is the fact that inbox repair tool or scanpst.exe cannot be used for repairing virus stuck files. It only work to repair header file corruption. It cannot be used to repair pst file corruption due to malware attack. Moreover, if malware infected .pst files are shared over the network can also infect other system as well. Thus in such scenario it is advisable to use third party Outlook PST Repair Software that can repair even severely corrupted pst files. It can even repair pst file corruption caused due to malware attack from any of the Outlook versions including earlier as well as latest one.
for more info: http://www.inboxpstrepair.com