Microsoft Outlook is a very popular emailing client used by a very large number of people. It is unique because of the fact that one can use it even if it is not connected to the internet. This is made possible due to the Outlook data files – PST and OST. PST (Personal Storage Table) is a centralized location where all the attributes of a particular profile are saved. This file is saved on the user’s machine as a local storage and data gets synchronized as soon as the internet connection is restored.

On the other hand, OST file is the copy of the PST file that is stored on the Outlook Exchange server. Until the internet connection is not available, the mails are received and kept in the OST file. This file then gets synchronized with the PST file after internet connection is restored.

But there are some situations when these data files get corrupted and the user loses access to their Outlook profile. They are –

  1. PST file oversize
  2. Virus attack
  3. Problem in Outlook configuration
  4. PST header corruption
  5. Errors caused due to PST file compaction
  6. Microsoft Outlook showing "0x800ccc92" or "Unknown errors" (Learn more about repairing 0x800ccc92 error by following http://www.outlookpst-repairtool.com/fix-error-0x800ccc92.html.)
  7. Outlook application malfunctioning
  8. Corruption due to improper handling of MS Outlook

When a PST or OST file gets corrupt, as a consequence the user becomes unable to access his / her profile.

First of all you can try using the backup (if you have created one). The backup PST file can be saved on the same location where the PST file is usually saved and then import it to your profile.

If you do not have a backup then to fix Outlook data file, there is an inbuilt tool that comes with the Microsoft Office. It is known as Scanpst.exe or Inbox Repair Tool. But this tool is unable of repairing damaged Outlook data file with serious corruption issues.

The third option that a user has is that he / she can try truncating the PST file size. This might give them access to their profile.

Fourth and final option is to use an efficient third-party tool that is required for repairing damaged Outlook data file. The Outlook PST repair software is the best among the tools that are available in the market to fix Outlook data file. The tool has many unique features that enable the user to perform Outlook data file repair including both PST and OST file. It helps in repairing damaged Outlook data file created on any version of MS Outlook application. To know how to repair corrupted PST of Outlook 2010 version, visit this link.

Apart from performing Outlook data file repair, this tool can also recover deleted or lost Outlook attributes. This means it can easily restore Outlook emails, contacts, calendar items, notes, etc. irrespective of the deletion or loss reason. The tool works perfectly on all the Windows Operating System versions – Windows 8, 7, Vista & XP. To know the proper working of the tool, make use of the demo version and fix your PST or OST file, all by yourself.

Steps to accomplish Outlook Data file repair –

Step 1 – Download and install the evaluation version of the tool and run it on your Windows OS.

Step 2 – Select the “Open PST" option from the main screen.

Repairing Damaged Outlook Data File - Main Screen

Fig 1 : Main Screen

Step 3 – Select the scanning method and the destination path to save the fixed PST file.

Repairing Damaged Outlook Data File - Select Scanning type & destination path

Fig 2 : Select Scanning type & destination path

Step 3 – After that a summary report will be generated.

Repairing Damaged Outlook Data File - Summary

Fig 3 : Summary