Format

XZ File Format

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Summary

Name: XZ File Format
Identifiers: PUID: fmt/1098
Format type: Aggregate
Description: The XZ file format is intended as a single-file compression format, similar in utility to Gzip.
File extensions: xz
Submitted by: Digital Preservation Department / The National Archives

Internal signatures

XZ File Format

Description: BOF: 0xFD '7zXZ', 0x00 EOF: YZ https://tukaani.org/xz/xz-file-format.txt

Byte sequences

Min Frag Length: Absolute from BOF
Offset: 0
Max offset: 0
Byte Sequence: FD377A585A00
Endianness: None

Min Frag Length: Absolute from EOF
Offset: 0
Max offset: 0
Byte Sequence: 595A
Endianness: None

Changelog

V92

Release date

20 September 2017
- Added format
  
  XZ File Format: Full entry added.
- Added signature
  
  XZ File Format: Signature developed through PRONOM Research.