3 Important Manual Methods to Fix CRC Error in Outlook PST?

MS Outlook is a popular email client system developed by Microsoft Corporation widely used at corporate and enterprise level to send or receive emails for smooth email conversation. PST file is associated with MS Outlook as the personal data storage file containing all Outlook data information including e-mail folders, addresses, contacts and other data. Sometimes typical flaws can occur in the MS Outlook Data file and you encounter error opening Outlook client and working with emails. Any sort of malfunctioning issue in your Outlook email app can lead to CRC error that pop up in the email client. This error generally display when any PST file corrupted or broken.

how to fix crc error

What are the main causes of CRC Errors?

  • Malware infection
  • Incomplete download of MS Outlook emails
  • Software failure
  • Abrupt closing of email client.

 Error message:

“File path\filename.pst could not be accessed. Data error. Cyclic redundancy check”.

Manual Steps to Fix CRC Error in Outlook PST:

Method 1: If, CRC error in the hard disk. Then, follow the steps below to fix the CRC error.

Step 1: Click Start and there, type Run to open the Run tab.
Press Windows key + R and then type cmd and then Enter.

fix crc error

Step 2: In the command prompt type chkdsk/f and press Enter.

fix crc error2

Step 3: After the above action, a new message displayed: i.e “The type of the file system is NTFS, cannot lock current drive”, which means the chkdsk cannot perform as the volume used by other process.

Step 4: Press ”Y” and restart the system.


Method 2: Recreate the Outlook PST file

Step 1: Exit the Outlook and start Windows Explorer.

Step 2: Now, select the backup and rename the PST file like filename.pst.

Step 3: Then, open the inbuilt Inbox repair tool (scanpst.exe) to fix the corrupt PST file.

The above mentioned method fits well if you are a computer professional and can handling such task with ease but the rest of the novice users can find it cumbersome with limited technical knowledge. In addition manual process is always not reliable as if any of the manual process is skipped can result in loss of data as manual process does not maintain the integrity of the original data file. Beside this manual procedure can cost on your precious time as this is always a time consuming process most of the time.  If you followed and applied the above manual procedure and the PST files are still not repair, then you can resort to the PST file repair tool.

You can use this tool to repair your PST files safely, if you still found any of the above mentioned errors. This tool is driven by efficient algorithm that recovers maximum possible data in complete safe mode.

download free trial version


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