How to Fix Outlook CRC Error When Copying?

Rollins Duke   
Published: May 13th, 2024 • 3 Min Read

CRC is a common error checking mechanism, which is mainly used in data transmission. However, many times users face an error while copying Outlook OST file. The similar issue was faced by Miss. Salina and then, OST to PST Software helped to overcome from the issue.


Miss. Salina faced Cyclic Redundancy Check (CRC) Error while copying the large .ost file its stored location to another.

Main Issue

Miss. Salina was utilizing NTFS, Outlook 2007 with MS Exchange 2007 server. Now, size of MS Outlook OST file was 2 GB approx. Miss. Salina was facing an issue and her Outlook was not working properly. Then, she tried to copy her OST file from stored location to another location for repair, but unexpectedly she gets CRC errors and adding to it the file that was not copied. The effect was Miss. Salina could not fix CRC error.

CRC Error

Cause Behind CRC Error Occurrence

BitRecover Company found that Miss. Salina was getting OST file corruption problem that resulted in the CRC error. The CRC error is Windows error message, which shows an issue and restriction while reading data when one is trying to use it. The rise of this issue has damaged OST file and cause for the OST file corruption was presence of the bad sectors on the hard drive saving respective OST data file.

Effortless Solution to Solve CRC Error

Without any risk of data loss and no downtime, BitRecover team comes up with a cost-effective and proficient solution. Miss. Salina had an initial consultation with BitRecover and was provided with a trouble-free solution, i.e. BitRecover OST to PST Wizard.

Team BitRecover initially checked for the Hard Disk to find errors if any. After using the simple way of opening command prompt and typing the CHKDSK/f utility, team got this message

“The type of the file system is NTFS. Cannot lock current drive.”

This message clearly indicates that the OST file is corrupted and it should be recovered immediately. The initial evaluation was really challenging, as Miss. Salina did not have any disaster recovery plan. After identifying the whole scale of the issue, the data present in OST file could be easily lost.

Hence, BitRecover was able to give end-to-end support for OST recovery with BitRecover OST Converter Wizard. As the file, conversion can minimize risk of data loss. The software of BitRecover is programmed in such a way that it easily recovers all type of corruption issues easily. The application recovers and migrate all the data into PST format. It creates Unicode file after conversion. The tool is simple, easy, and user-friendly to use. It does not require any external application to execute the process of data migration. The tool is operable on all Windows OS without any issue.


BitRecover was successfully able to recover all the important data from the corrupt OST file and fixed the issue of CRC error effectively. The whole time to recover and save the data was lot lesser than Miss. Salina expected.

Customer’s Feedback

The software was very much understandable for performing the recovery of OST database and is very convenient to be used. For a while when I got the error, I was quiet tensed as I was not having any data backup but Thanks to BitRecover for resolving my issue. Moreover, for being there whenever I need any technical assistance. Thanks a lot.”