ERROR_NOT_EXPORT_FORMAT - 6008 (0x1778)

The specified file is not in the defined EFS export format.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_NOT_EXPORT_FORMAT with the numeric value 6008 and hexadecimal representation 0x1778 indicates that a specified file is not in the correct format required for export operations under the Encrypting File System (EFS) on Windows.

Error Details

This error typically occurs when an attempt is made to perform an EFS-related operation, such as exporting or importing certificates, and the file involved does not conform to the expected format. The error suggests that the file may have been created or modified in a way that deviates from the standard EFS export specifications.

Usage Context

The ERROR_NOT_EXPORT_FORMAT is relevant in scenarios where EFS operations are being performed, such as when attempting to export certificates associated with encrypted files. This error can also arise during troubleshooting or maintenance activities involving EFS-protected files and their associated metadata.

Developer Interpretation

Developers should interpret this error code as an indication that the file being processed does not meet the necessary format requirements for the intended operation. The interpretation of this error is context-dependent, meaning it may vary based on the specific operation being performed and the state of the file in question.

Related Errors

FAQ

Q: What does the ERROR_NOT_EXPORT_FORMAT error mean?

A: This error indicates that a file is not in the correct format required for EFS export operations.

Q: How can I resolve this issue?

A: Ensure that the file conforms to the expected EFS export format before performing the operation. If the file has been modified, it may need to be restored or re-encrypted according to the standard EFS procedures.

Summary

The ERROR_NOT_EXPORT_FORMAT error code is specific to operations involving EFS and indicates a mismatch between the required file format and the actual file state. Developers should ensure that files meet the necessary criteria for EFS operations to avoid this error.