An a01 file extension is related to ARJ archiving utility for MS-DOS and Microsoft Windows operating systems. An a01 file stores one part of a multi-volume ARJ archive.

There is one other file type using
the A01 file extension!

a01 file icon.a01 - Split Multi-volume ALZip compressed file archive (part 3)

Detailed description

Software that works with a01 file extension

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A01 file extension - Split Multi-volume ARJ compressed file archive (part 3)

What is a01 file? How to open a01 files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

a01 file icon: a01 filetype icon

The a01 file extension is associated with ARJ, once very popular archiving program for MS-DOS.

The a01 file is one part of a multi-volume compressed ARJ archive. The arj file extension is used for the native format of ARJ archiver.

ARJ is a file archiver that compresses files into a disk space saving archive. It is fast, reliable, and has a rich set of features which include Windows 9x, Millenium long filename 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.

Some *.arj files can be parts of a multi-volume sequences. In ARJ you can split a huge archive to a few smaller files, which are called volumes.

ARJ archiver does use the following sequence:

  • .arj for first volume
  • .a00, a01, a02 .... etc. for any additional volumes

In order to unpack the multi-volume arj archive, you need to place ALL of the split parts in the same directory and start extraction of the first volume (.arj). The program will automatically use all of the parts to extract the content of the archive.

The default software associated to a01 file type:

ARJ32 icon

ARJ Software, Inc. logo ARJ32  Microsoft Windows software

Company or developer:
  ARJ Software, Inc.

ARJ32 is Windows 32 command line version of original ARJ archiver. It is full compatible with ARJ for MS-DOS as well as support all file system features of Windows operating system.

Help how to open A01 files:

An a01 file is only one part of ARJ multi-volume archive. If you want to extract this file, you must have all parts of the ARJ multi-volume archive. Open the first part of ARJ (arj file) multi-volume archive in ARJ application and extract files from ARJ multi-volume archive.

How to convert file with extension A01:

It is not possible to convert only one part of ARJ multi-volume archive. Only complete ARJ archive can be converted in to another archive or compression format. The easiest way how to convert complete ARJ multi-volume archive is to decompress the ARJ archive with the use of ARJ or any other supported archiver and repack the content with another compression or archive application of your choice.

Find conversions from a01 file:

a01 to 008

Related links:

ARJ official website

ARJ open project website

List of software applications associated to the .a01 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open a01 file, edit a01 file, convert a01 file, view a01 file, play a01 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
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 of the a01 files.

  • Open a01 file
  • Create a01 file
  • Extract a01 file

Software that open a01 file - Split Multi-volume ARJ compressed file archive (part 3)

Click on the link to get more information about listed programs for open a01 file action.

Microsoft Windows:

Main software associated with a01 file by default:
ARJ32 small icon ARJ32
Other suggested software:
WinRAR small icon WinRAR
WinZip small icon WinZip
7-zip small icon 7-zip
ZipZag small icon ZipZag

Apple macOS / Mac OS X:

Microsoft MS-DOS:

ARJ small icon ARJ

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A00 file extension

File-Extensions.org > Archive and compressed file types

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