Have you ever thought how a PST file can be repaired if it gets corrupt? Let’s first analyze how PST file gets damaged. Behind corruption of the PST file, numerous reasons are responsible. Corruption occurs due to reasons like oversize of PST file, unexpected system shutdown, system crash, disastrous virus attack. However, to overcome such situations Microsoft has provided an inbuilt Inbox repair tool that repairs corrupt PST file. But the tool is limited in its functionalities, due to which it sometimes becomes unable to repair PST file. In such pathetic situation, a third party Outlook PST repair tool is recommended.

To understand the situation clearly, east Inflatables let’s consider an error message that appears when you execute inbuilt Inbox repair tool. But you fail in your efforts, and alternatively an error message is received that appears like this:

“Attempting to validate BBT refcounts

??Couldn’t find BBT entry in the RBT (211C8).”

You can view the error in the log-report.


Some of the causes responsible for the occurrence of the above error message are due to  increased size of PST file. MS-Outlook 2002 and prior versions have a size limitation of 2 GB. If the PST file goes beyond the size limitation, it results in corruption. BBT entry of the file is also responsible for the occurrence of the error. Sometimes Outlook fails to find BBT entry of the PST file. Damaged or corrupt PST file is also responsible for the problem.

Way to Resolve the Error:

Different ways that helps you to overcome the above error are described below in a perfect manner:

·     Make sure that the size of the PST file is not exceeding the size limit. If exceeding, then decrease the size of the PST file by deleting the unwanted mails from the Inbox folder. Remove all the mails from the ‘Deleted Items’ folder and from ‘Sent Items’ folder.

·     PST file corruption is the factor, then you need to repair PST file. Microsoft itself provides an inbuilt Inbox repair tool to repair the file. But due to its limited functionality, in some cases fails to repair PST file.

·     If problem is due to BBT entry. Do one thing, freshly install MS-Outlook application in your system.

Installing MS Outlook afresh will leave you with no data. In such a case you have an option to take help of a third party Outlook PST repair tool. The tool repairs PST file corrupted due to any of the reason. A lots of software are available in the market that does the repair quite well. You just need to search the tool according to your choice. Surf the Internet to know the functionalities of different software.