Fix: PST could not be accessed, Data error (cyclic redundancy check)

You encounter an error message whenever your Outlook data file or PST file gets corrupt. A corrupt PST files causes inaccessibility of your precious Outlook data stored in it, thus no one wants to come across such troublesome situations. However, scenarios like oversized PST, erroneous hard drive, improper system shutdown, or abrupt Outlook closing corrupt Outlook PST file and make your data inaccessible.

To fix Outlook data file corruption and such situations of data loss, Outlook provides an inbuilt utility named Inbox Repair Tool. However, if the corruption in your PST file is severe, then this tool too becomes completely ineffective to do any needful. For such cases, use of an efficient PST repair software can do the needful. Let us instantiate this situation with a practical example:

You get any of the following error messages after MS Outlook downloads an email on your computer:

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

Or

“Data error (cyclic redundancy check)”

Here, the path\filename.pst is the location and path of your PST file.

This error message is encountered only when PST or Outlook data file gets corrupt. However, the most prominent cause of PST corruption in this case is inconsistencies or bugs in your system’s hard drive, which is responsible for MS Outlook corruption. So, it is recommended to check your hard drive for errors. Follow below mentioned steps to check the hard drive for errors:

Resolution:

Steps to check hard drive for errors:

• On the command prompt of your system, type chkdsk /f and then press ENTER.
• Close the command prompt, after completion of the error checking process or chkdsk procedure.
• Now start Outlook again, however if you still encounter same issue, then you can try below mentioned resolution steps.

Inbox Repair Tool:

If checking the disk for errors does not solve your issue, then you can use Outlook’s inbuilt utility to repair the PST file, i.e. Inbox Repair Tool or Scanpst.exe. This utility scans Outlook PST file for errors, provides you a description of issues with your corrupt PST, repairs the corrupt PST file, and hence restores your precious data.

However, if this utility fails to do any needful for you, then use of an efficient Outlook PST repair software is recommended. Stellar Repair for Outlook software repairs even severely corrupt or damaged PST file and restores your entire Outlook data.