Format Reference

Purpose

Technical reference for supported archive formats.

Supported Formats

Format	Extension(s)	Extractor	Library	Notes
7-Zip	.7z, .exe	SevenZipExtractor	Omnizip	BCJ2 filter support
CAB	.cab, .exe	CabExtractor	Cabriolet	Salvage mode
CPIO	.cpio	CpioExtractor	Omnizip	Old and new formats
GZIP	.gz, .tar.gz	GzipExtractor	Ruby stdlib	Magic byte verification
MSI	.msi	OleExtractor	Omnizip	OLE compound document
RPM	.rpm	RpmExtractor	Omnizip	Compressed payload
TAR	.tar	TarExtractor	Omnizip	POSIX, GNU, PAX
XAR	.pkg, .xar	XarExtractor	Omnizip	macOS packages
XZ	.xz, .tar.xz	XzExtractor	Omnizip	LZMA compression
ZIP	.zip	ZipExtractor	Omnizip	Standard format

Extension Mapping

Extension	Extractor
.cab	CabExtractor
.cpio	CpioExtractor
.exe	SevenZipExtractor (falls back to CabExtractor)
.gz, .tgz	GzipExtractor
.msi	OleExtractor
.pkg, .xar	XarExtractor
.rpm	RpmExtractor
.tar	TarExtractor
.tar.gz	GzipExtractor → TarExtractor
.tar.xz, .txz	XzExtractor → TarExtractor
.xz	XzExtractor
.zip	ZipExtractor
.7z	SevenZipExtractor

Topics

• Supported Formats - Complete format table

• Extension Mapping - Extension to extractor mapping

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Table of contents

• Supported Formats
• Extension Mapping