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Format

eXtensible ARchive format

Summary

Name
eXtensible ARchive format
Identifiers
PUID: fmt/600
Format type
Aggregate
Description
XAR (eXtensible Archive format) is an open source file archiver introduced in Mac OS X 10.5.
File extensions
xar
Source
Artefactual Systems Inc / Artefactual Systems Inc

Internal signatures

eXtensible ARchive format

Note
BOF: xar!.. Magic num (4 bytes), header length (2 bytes, value 001C). Next two bytes are version number - currently 0001 so possibility to extend signature, particularly if subsequent versions developed.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
78617221001C
Endianness
None

Changelog

  • Added in V72

    Release date
    12 November 2013

    eXtensible ARchive format: Signature developed in collaboration with Artefactual Systems Inc.

    eXtensible ARchive format: Outline Entry Added. Submitted by Artefactual Systems Inc.