Do not worry if you have just encountered the damage of Microsoft Outlook files and your mailbox becomes blocked. There many ways of getting your data back, some of them imply the investigation of email corruption problem, others allow recovering the mailbox using its backup copy.
PST Viewer Tool is quite another thing, it allows recovering the data from corrupted pst and ost files, used by this email client. There is no need to create a replica of selected mailbox and renew this file on a regular basis, you may get the .pst viewer service, powered by PST Viewer Tool and start the analysis on your own computer without the consultations of other engineers and external data recovery services. This approach to the safety of MS Outlook files does not imply the losses of time and free disk space to prepare backup copies, you may get PST Viewer Tool only when this program is really needed.
Besides, it is so easy to use that you can successfully install PST Viewer Tool and start the analysis of pst files in a minute.