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Service phase: Beta

This service is still in development. Give us your feedback or view this page on the current PRONOM service.

Format

Windows Cabinet File

Summary

Name
Windows Cabinet File
Identifiers
  • MIME: application/vnd.ms-cab-compressed
  • PUID: x-fmt/414
Description
An archive format native to Microsoft Windows that contains compressed data.
File extensions
cab
Source
Digital Preservation Department / The National Archives
Developed by
Microsoft Corporation
Supported by
Microsoft Corporation

Relationships

Has lower priority than

Internal signatures

Windows Cabinet File

Note
CAB Signature (MSCF); Reserved Checksum 4 bytes set to zero; total size of cabinet file 4 bytes, 4 bytes reserved, absolute address of the first CFFILE (4 bytes); files checksum (4 bytes): minor version 1-byte (3), major version 1-byte (1)

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
4D534346{20}0301
Endianness
None

Changelog

  • Updated in V92

    Release date
    20 September 2017

    Windows Cabinet File: Added MIME type.

  • Updated in V51

    Release date
    15 July 2011

    Windows Cabinet File: Existing signature refined by Georgia Tech Research Institute, USA.

  • Added in V50

    Release date
    20 May 2011

    Windows Cabinet File: Signature developed through PRONOM Research.