ARJ file: How to open? The best software for opening arj files

ARJ

ARJ Compressed archive

File type: Archive and compressed file

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.

What is arj file?

File type category:
Archive and compressed file

Date updated: July 19, 2025

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/arj
application/x-compress
application/x-compressed
application/zip
application/x-winzip
application/x-tar
application/x-gzip
application/x-stuffit, zz-application

How to open arj file?

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 arj file?

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.

Suggested software to open arj file:

Associated software actions with the arj file

Open

Software applications that can open arj files:

ARJ32 (Microsoft Windows)

WinRAR (Microsoft Windows)

ALZip (Microsoft Windows)

7-zip (Microsoft Windows)

IZArc (Microsoft Windows)

Zipeg (Microsoft Windows)

ZipZag (Microsoft Windows)

ZIPGenius (Microsoft Windows)

The Unarchiver (Apple macOS / Mac OS X)

Zipeg for Mac (Apple macOS / Mac OS X)

sArchiver (Apple macOS / Mac OS X)

Xarchiver (Linux/Unix)

RAR for Android (Google Android)

ARJ (Microsoft MS-DOS)

View

Programs for viewing arj files:

Zipeg (Microsoft Windows)

Create

Software apps that create arj files:

ARJ32 (Microsoft Windows)

ARJ (Microsoft MS-DOS)

Convert

Software apps that convert arj files:

ALZip (Microsoft Windows)

Extract

Software apps that extract arj files:

ARJ32 (Microsoft Windows)

WinRAR (Microsoft Windows)

ALZip (Microsoft Windows)

7-zip (Microsoft Windows)

WinArchiver (Microsoft Windows)

IZArc (Microsoft Windows)

Zipeg (Microsoft Windows)

ICEOWS (Microsoft Windows)

ZipZag (Microsoft Windows)

WinImp (Microsoft Windows)

ZIPGenius (Microsoft Windows)

The Unarchiver (Apple macOS / Mac OS X)

iPack (Apple macOS / Mac OS X)

Zipeg for Mac (Apple macOS / Mac OS X)

sArchiver (Apple macOS / Mac OS X)

Xarchiver (Linux/Unix)

RAR for Android (Google Android)

ARJ (Microsoft MS-DOS)

Other actions

Software applications that handle other tasks involving arj files:

sArchiver (Apple macOS / Mac OS X)