Archives & Compression
Compressed containers and disk images used to package files for transfer, backup, software distribution, encryption, and long-term storage.
Popular Archives & Compression Extensions
ZIP Compressed Archive
Universal lossless data compression and file container archive format.
Roshal Archive Compressed File
Proprietary compressed archive format created by Eugene Roshal with recovery records.
7-Zip Compressed Archive
Open-source compressed archive format with ultra-high LZMA/LZMA2 compression ratio.
AD1 File Format
AD1 is AccessData/Exterro's logical evidence image format, created by FTK Imager to preserve selected files and folders for digital forensics. Learn how to identify, open, and handle AD1 files safely.
TAR File Format
TAR (Tape Archive) is a UNIX standard archive format that consolidates multiple files, file metadata, and directory trees into a single uncompressed stream.
GZ File Format
GZ is a single-file compression format created by Jean-loup Gailly and Mark Adler for the GNU project using the DEFLATE algorithm as a free replacement for compress.
TGZ File Format
TGZ (short for .tar.gz) is a TAR directory archive compressed with GNU Gzip software, serving as the standard Linux software distribution format.
ISO File Format
ISO is an uncompressed sector-by-sector disk image archive of an optical media disc (CD, DVD, or Blu-ray) following the ISO 9660 or UDF filesystem standard.
DMG File Format
DMG is a mountable Apple Disk Image file format used on macOS to package installer applications, software updates, and encrypted volume disk structures.
BZ2 File Format
BZ2 is a data compression format developed by Julian Seward using the Burrows-Wheeler block-sorting algorithm to achieve high compression rates.
XZ File Format
XZ is a single-file compression container using the LZMA2 algorithm, offering high compression efficiency for open source software source tarballs.
CAB File Format
CAB (Cabinet) is an archiving and compression file format developed by Microsoft for packaging system setup files, device drivers, and Windows updates.
WIM File Format
WIM is a file-based disk image format introduced by Microsoft in Windows Vista for deploying operating system installation images.
UU File Format
UU is the filename extension commonly used for uuencoded data. A UU file stores binary content as printable ASCII text for transfer through older mail, Usenet, or 7-bit systems; decoding it restores the original file, which may be a ZIP, RAR, PDF, image, audio file, or executable.
IFU File Format
IFU is primarily the uncompressed image format created by All Image from Towodo Software. It can represent a USB flash drive, floppy disk, hard drive, or other storage image; the extension may also appear in device-specific or firmware workflows, so confirm the source before opening it.
HOT File Format
HOT is primarily a game-data extension used for The Sims sound resources and 4x4 Evolution hot-lap records. These files are normally referenced by the game rather than opened as standalone documents.
TIB File Format
TIB is the Acronis True Image backup format used for disk images, system recovery, and file-level backup versions. Open it with compatible Acronis recovery software rather than a general archive utility.
TIBX File Format
TIBX is Acronis' newer backup format used for backup chains and cloud or local protection workflows. It is not interchangeable with every legacy TIB archive, so restore it with the Acronis product and version that created it.
IPK File Format
IPK is the package format used by opkg on embedded Linux systems such as OpenWrt. It is an ar archive containing package metadata and compressed control and data payloads for installation on a target device.
XCI File Format
XCI is a Nintendo Switch gamecard image format containing a gamecard filesystem and application data. It is used for lawful archival and system workflows, not as a general-purpose document.
GHO File Format
GHO is the native Norton Ghost image extension for sector-level copies of disks or partitions. A GHO image can contain an entire file system and may be accompanied by split segments such as .GHS files.
NSP File Format
NSP is a Nintendo Switch submission-package container used for packaged eShop software, updates, downloadable content, and system components. It is not a general-purpose archive and should only be handled with authorized software and lawfully obtained content.
RPA File Format
RPA is the archive format used by the Ren'Py visual novel engine to package game assets such as images, audio, scripts, and other resources. The archive is normally read by the Ren'Py runtime or compatible extraction tools rather than opened as a standalone document.
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