Repair Inaccessible Outlook PST caused due to CRC Error!

CRC (Cyclic Redundancy Check) is a technique which is implemented at the places where data accuracy and integrity matters a lot. This technique is responsible for detecting the changes made in the data which is used over a network or is stored in any storage media. As Microsoft Outlook stores very important and critical datas its employs CRC check each time when any data is altered in it. Many cases have been witnessed by users where they have encountered CRC errors while accessing PST file which indicates problems with PST files and with the hard disk. In such conditions the data in the PST file becomes un-mountable and inaccessible due to CRC errors and which requires restoring of data from the backup and as alternative Outlook PST Repair software can also be used.

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In CRC errors user may encounter similar error messages while accessing Outlook PST file

"File path/filename.pst could not be accessed. Data error: Cyclic Redundancy Check."

OR

"Data error (Cyclic Redundancy Check)"

These kinds of errors are displayed generally after downloading Outlook PST file from e-mail messages. In the error message File path refers to the location of the PST file and filename.pst indicates the name of the PST file involved. In addition to it, users may also fail to view some downloaded e-mails and while doing so will throw another message which will say -

"Error 0x80040116"

Microsoft Outlook displays such errors as an indication of damaged or corrupted Personal Data Storage or PST file. The following behavior can be noticed due to any of the mentioned reasons like -

  • Due to placing PST file on LAN/WAN network.
  • Microsoft Outlook bugs.
  • Unexpected shutdowns due to power interruptions.
  • Virus infections.
  • Arbitrary code execution etc.

These serious events can bring inconsistencies in PST file, make it inaccessible and in most of the cases CRC error if the hard disk in involved in all of these which is quite obvious.

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In order to resolve this issue, users first need to check the hard disk for inconsistencies which can be easily be done by running chkdsk/f command from the command prompt. If any error message is displayed then user need to repair or re-create a new PST file and before doing that backup of PST files is must other wise all the data stored in the PST file might get lost. If users dont want to create a new PST file and neither wants to perform the backup task then as an alternative Outlook 2007 PST Repair software can be used to repair the existing PST file. This will effectively make PST file functional and will resolve all CRC errors.