Resolving ‘Errors have been detected in the file xxxx.pst.’ Error

Microsoft Office Outlook creates and uses a single file called PST to store all its e-mails, attachments, calendars, contacts, and other items. PST is a database and can get corrupt for numerous of reasons, which includes storing the file on LAN/WAN link, PST 2 GB file size limitation, virus infection, unexpected power outage, and more. As symptoms, you might observe that Outlook fails to send and receive e-mail messages or starts behaving abruptly. However, to Repair PST file, you need to take aid of certain utilities built specifically to fix the corruption.

To further clarify these issues, let’s consider the case when you try to open an Outlook PST file. In this case, you might fail in your attempts and receive the below mentioned error message on screen:

“Errors have been detected in the file xxxx.pst. Quit Outlook and all mail-enabled applications, and then use the Inbox repair tool(Scanpst.exe) to diagnose and repair errors in the file. For more information about the Inbox repair tool, see Help.”

On encountering this error message, you cannot send and receive more e-mails from this PST.


An Outlook PST is consisted of two main parts, which are file header and data. The PST file header is further consisted of important file attributes like, file size, file signature, etc. When you try to open the PST file, it first checks the file header and then reads its data. Any error while this process results in issues, such as mentioned above.

Outlook Inbox Repair Tool (Scanpst.exe) can repair the corrupted PST, if corruption exists in file header but not in data part. In other words, scanpst.exe will be unable to resolve file corruption if file data is inconsistent or in a state that Outlook cannot read. To resolve this type of corruption, you need to take aid of third-party products. However, you should first backup your PST file and run Outlook Inbox Repair Tool to Repair PST File.

The third-party software to Repair PST files are exclusive tools that can repair your corrupted PST using powerful plus effective scanning algorithms. Also, these software can be easily operated with the interactive user interface.

One of the best utilities to Repair PST File is Stellar Phoenix Outlook PST Repair. Supporting Microsoft Outlook 2007, 2003, 2002, and 2000, the tool can restore all e-mails, calendars, contacts, notes, and other file components. In addition, the software can also recover deleted emails.

CRC Error Copying an Outlook PST File

Microsoft Outlook with a corrupted PST cannot perform general mail operations. These include sending or receiving an email, creating an appointment, displaying the mail folders’ contents and also, copying the file to another location. The reasons for corruption can be unexpected shutdown, network file sharing, virus infection and similar others. To repair such corrupted files, Outlook provides you a built-in tool called Scanpst.exe. However, if this fails, you can recreate the PST file provided a full backup is present. If not, you should repair the damaged file using third-party PST Repair applications.To illustrate, take a practical example when you try to copy your Outlook PST file from its root folder to a different location on the hard disk or another media. The file copy operation may fail in between with the below error displaying on screen:

“Data error (cyclic redundancy check)”

Alternatively, you may receive an error suggesting that the .pst file could not be accessed.


CRC error generally indicates errors or presence of bad sectors on hard disk. Since you encounter this error when copying the PST file, the errors may lie in the file itself. The Outlook PST file you are trying to copy might be corrupted.

If some problems exist in the location you are trying to copy the file to, this may also cause to report the above error.


Following suggestions can help you recovering from the above problem:

1- Try to copy the file to a different location or media. If it goes successfully, the issue is with the target media and not with the source location or file.

2- Run chkdsk /f command to find and fix disk errors

3- If the problem continues, the PST file might be corrupted. Try to repair the file by running Inbox Repair Tool (Scanpst.exe)

The Scanpst.exe tool can fail if the corruption extent is high or if the file exceeds size value of 2 GB. In such situations, you should use a powerful PST Repair Tool. These software employ safe and high-end scanning algorithms that enable comprehensive PST Recoveryin all logical scenarios.

Stellar Phoenix Outlook PST Repair is a fully-featured inbox repair utility with powerful features to repair damaged or corrupted PST file. It is a non-destructive PST Repair Tool with support to Outlook 2007, 2003, 2002 and 2000. The software is easy-to-use with self-descriptive interface. The software views the messages in a 3-view format, giving you an Outlook-resembling experience.