CAB

cab icon

Windows Cabinet Compressed Archive

File type: Game file, Archive and compressed file

A cab file extension is commonly used for compressed archives found in Microsoft Windows operating system.

Found 2 different file type records with the same cab filename suffix.

What is cab file?

File type category:
Game file
Archive and compressed file

Date updated: July 19, 2025

The cab file extension is used for native compressed archive format used in Microsoft Windows. Also known as Cabinet files.

CAB supports compression and digital signing, and is used by a variety of Microsoft installation engines, such as Setup API, Device Installer, AdvPack (for the installation of ActiveX components from Internet Explorer) and Windows Installer.

The cab file format works with three data compression methods:

  • DEFLATE, invented by Phil Katz, the author of the ZIP file format.
  • QUANTUM licensed from David Stafford, the author of the Quantum archiver.
  • LZX, invented by Jonathan Forbes and Tomi Poutanen, given to Microsoft when Jonathan joined the company. 

The cab files are also used in many installers (InstallShield and others), although it is mostly completely different format. Sometimes are used in computer games.

The cab archives can be created with command-line tool included in Windows called: makecab.exe

How to open cab file?

Some modern archiving tools, like WinRAR, 7-zip and many others, are able to open and extract contents of *.cab files.

How to convert cab file?

CAB archives can be usually repacked to other archives. However doing so may make them unusable in their original program, specially if they were used for installation purposes.

Suggested software to open cab file:

Associated software actions with the cab file

Software applications that can open cab files:

7-zip icon 7-zip (Microsoft Windows)

WinRAR icon WinRAR (Microsoft Windows)

ALZip icon ALZip (Microsoft Windows)

ZipZag icon ZipZag (Microsoft Windows)

StuffIt for Mac icon StuffIt for Mac (Apple macOS / Mac OS X)

StuffIt Deluxe for Mac icon StuffIt Deluxe for Mac (Apple macOS / Mac OS X)

Xarchiver icon Xarchiver (Linux/Unix)

Software apps that extract cab files:

7-zip icon 7-zip (Microsoft Windows)

WinRAR icon WinRAR (Microsoft Windows)

PeaZip icon PeaZip (Microsoft Windows)

no icon available WinArchiver (Microsoft Windows)

no icon available cabextract (Microsoft Windows)

ALZip icon ALZip (Microsoft Windows)

ZipZag icon ZipZag (Microsoft Windows)

The Unarchiver icon The Unarchiver (Apple macOS / Mac OS X)

iPack icon iPack (Apple macOS / Mac OS X)

StuffIt Expander for Mac icon StuffIt Expander for Mac (Apple macOS / Mac OS X)

StuffIt for Mac icon StuffIt for Mac (Apple macOS / Mac OS X)

StuffIt Deluxe for Mac icon StuffIt Deluxe for Mac (Apple macOS / Mac OS X)

Xarchiver icon Xarchiver (Linux/Unix)

Software apps that recover cab files:

Advanced CAB Repair icon Advanced CAB Repair (Microsoft Windows)

Advanced Archive Repair icon Advanced Archive Repair (Microsoft Windows)

Installation File For Windows Mobile

File type category:
Archive and compressed file
Mobile phones related file

Date updated: May 2, 2018

The cab file format was also used as a standard installation mechanism in Windows CE powered devices, but it differs from the standard Windows archive.

The CAB file format is similar to classical Windows Cabinet compressed archive, but also contains special set of installation instructions in XML file bundled to the archive called _setup.xml.

Over the years the CAB format developed and many versions of it exist. Those usually work only on certain version of Windows CE. This situation was solved with Windows CE version 5.0 in which the CAB format used for app installations for standardized.

How to open cab file?

You can open and install the app included in the *.cab file in Windows CE based mobile phones.

How to convert cab file?

These files could be extracted with special tools for Windows CE. But conversion is unlikely.

Suggested software to open cab file:

Associated software actions with the cab file

Software applications that can open cab files:

WinZip icon WinZip (Microsoft Windows)

Software apps that extract cab files:

no icon available cabextract (Microsoft Windows)

WinZip icon WinZip (Microsoft Windows)