MS Outlook being an excellent email client software, is extensively used for communicating through emails. The file systems supported by MS Outlook are PST and OST. The process of composing and sending emails may get hampered when the PST files are damaged due to some or the other factor. Corruption of PST files is common, mostly because of hardware and software failure. There are certain possible failure or error messages that Outlook users come across such as ‘Cannot find .PST files’, ‘Outlook PST could not be found’, ‘Unknown Error 0x80040600’, ‘Outlook PST has reached maximum limit’ and so on. Whenever such problems occur, users are required to repair the PST files. The default PST repair tool Scanpst.exe offered by Microsoft is mostly used for this purpose. However, scanpst.exe is effective only for PST header file repair. For severe PST damage, Kernel for Outlook PST repair software offers better solutions. This software is capable of fixing corrupt and damaged PST files and recovering all the lost data stored in them. This software can retrieve emails and other items like email attachments, drafts, notes, tasks, calendars, contacts and journals from the PST files. This tool is effective for broken PST, password protected PST and even PST header damage cases. Kernel for Outlook PST repair works on an advanced algorithm that thoroughly scans the damaged PST files and recovers all the lost emails and items in a matter of seconds. Furthermore, it arranges all the recovered data in a tree like structure so that users can easily select the required emails and save them. The PST repair tool Outlook 2007 supports all the versions of MS Outlook like MS Outlook 97, 2000, 2002 (XP), 2003, 2007 and 2010. Users can view all the emails and other important data recovered by the software using the free evaluation version of this tool. However, in order to save the data, the full version of the software has to be purchased.