Files with cpio suffix are compressed archives in special CPIO format used mainly on UNIX systems.

Detailed description

Software that open cpio file

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CPIO file extension - Unix CPIO archive

What is cpio file? How to open cpio files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

File extension cpio is generally used for a CPIO archive used in UNIX system.

A .cpio file is a stream of files and directories in a single archive, and often ends with a .cpio file extension. The archive has header information that allows for an application such as the GNU cpio tool to extract the files and directories into a file system. The header of a cpio archive also contains information such as the file name, time stamp, owner and permissions.

MIME: application/x-cpio

The default software associated to open cpio file:

Unix icon

The Open Group logoUnix  Linux/Unix software

Company or developer:
The Open Group

A multi-tasking operating system for various platforms, the first version of UNIX was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.

GNU cpio picture or screenshot

Free Software Foundation, Inc. logoGNU cpio  Linux/Unix software

Company or developer:
Free Software Foundation, Inc.

GNU cpio copies files into or out of a cpio or tar archive. The archive can be another file on the disk, a magnetic tape, or a pipe. GNU cpio supports the following archive formats: binary, old ASCII, new ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar. The tar format is provided for compatibility with the tar program.

Help how to open:

Many file archivers support CPIO format and can extract or repack the files.

How to convert:

Can be repacked to other compressed formats, however only some of them will be recognized in UNIX programs.

Find conversions from cpio file:

cpio to 008

cpio to deb

Related links:

cpio at Wikipedia

List of software applications associated to the .cpio file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cpio file, edit cpio file, convert cpio file, view cpio file, play cpio file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting cpio files.

Software that open cpio file - Unix CPIO archive

Programs supporting the exension cpio on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open cpio file action.

Microsoft Windows:

Apple macOS / Mac OS X:


Main software associated with cpio file by default:
Unix small icon Unix
GNU cpio

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