Working Assistance To Repair Corrupt PST File After CRC Error


In today’s era Microsoft Outlook has been labeled as the most widely utilized email client application for storing and managing emails, notes, appointments, RSS feed and several other useful elements. Now in MS Outlook application PST file plays very crucial role as it contains all Outlook data stored on the computer locally. Although PST file works very efficiently but still under some unfortunate circumstances it get corrupted and generates several errors while accessing. One such error is “Cannot copy. Data error (Cyclic redundancy check)” or “Cannot Copy. Data error (CRC)” which emerges while copying PST file from local computer to external hard drive.

This error messages displays when there is any bad spot on the hard drive. Actually this error emerges while copying file because of the bad spot within the file itself. It often occurs when MS Outlook downloads the email to the computer. One can also encounter this error when the Outlook PST file get corrupted or broken.

Causes accountable for CRC Errors in MS Outlook PST are :

  1. Abrupt termination of Outlook because of power fluctuation or sudden system shut down while working on it.
  2. PST files becomes inaccessible when infected with certain sort of viruses.
  3. Bad sectors on the hard drive also results in the occurrence of CRC errors.
  4. Sharing of PST file on a network or after upgrading the Outlook version from older to newer one.
  5. System crashing while Outlook running on it or while writing data to the PST file leads to the CRC errors.
  6. Virus or malware attack also ruins all the data including the PST one.

So, to fix and restore the PST file corrupted because of the generation of CRC error it is advised to follow the below discussed instructions:

First of all check hard disk for errors

Click ‘Start’, then open ‘Run’ and type cmd and after that hit Enter. Now when the command windows open, type chkdsk/f and hit Enter. After this the user will be notify with the message stating that ‘the type of the file system is NTFS, cannot lock current drive’. This messages means that the chkdsk cannot perform as the volume utilized by other process. Now a question will be asked that ‘Would you like to schedule this volume to be checked next time the system restarts? (Y/N).’ In this situation user need to press ‘Y’ and should restart the PC. Then open the MS Outlook.

If via implementation of the above discussed method the issue of PST file corruption after CRC error get solved, excellent otherwise continue to the next step

Recreate Outlook PST File

In this method exit outlook, start Windows explorer, select the backup of PST file. Then rename the PST file such as xyz.pst and open the inbuilt Inbox repair tool to fix the corrupted PST file.

In a case if after the execution of these instructions still the issue persists then it is suggested to use PST Repair Tool as this tool has been referred highly potent in solving the PST related issues.

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