Files with arj file extension are compressed archives created with ARJ archiver. These were very common in the past, later replaced by RAR and ZIP programs.

Detailed description

Software that open arj file

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ARJ file extension - ARJ Compressed archive

What is arj file? How to open arj files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

arj file icon: arj filetype icon

The arj file extension is used for native archive format of ARJ archiver program, a tool for creating compressed file archives. It was invented by Robert K. Jung. ARJ stands for Archived by Robert Jung.

ARJ compresses files into a disk space saving archive. It is fast, reliable, and has a rich set of features which include Windows 9x, Millennium long file name support, file version management, data damage protection, ANSI escape sequence display handler, configurable command options, multiple volume archives (archives that span diskettes) and much more.

MIME types:
application/x-stuffit, zz-application

Updated: April 6, 2024

The default software associated to open arj file:

ARJ icon

ARJ Software, Inc. logoARJ  Microsoft MS-DOS software

Company or developer:
ARJ Software, Inc.

ARJ is popular file archiver for MS-DOS operating system used to compress data and save disk space. It runs on most PCs from the IBM PC XT to Pentium IIIs and is compatible from version 1.0 to present.

Help how to open:

Use ARJ to open *.arj archive files. However, it will be much more easier if you use any of the modern archiver programs, such as WinRAR or WinZip, which should be able to open the *.arj files.

How to convert:

The simple way, how to convert *.arj files to another compression or archive file format is to use ARJ or other archiver programs to decompress ARJ archive. The extracted files can be then compressed by some another compression utility to your chosen archive or compression file format.

Find conversions from arj file:

arj to 7-z

arj to czip

arj to e01

arj to pbk

arj to pdi

arj to rar

arj to zip

Find converter to arj file type:

e01 to arj

gz to arj

pbk to arj

zip to arj

File identification strings:

HEX code: 60 EA
ASCII code: `

Related links:

ARJ official website

ARJ open project website

List of software applications associated to the .arj 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 arj file, edit arj file, convert arj file, view arj file, play arj 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 arj files.

Software that open arj file - ARJ Compressed archive

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

Apple macOS / Mac OS X:


Google Android:

Microsoft MS-DOS:

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