A05

Split Multi-volume ARJ compressed file archive (part 7)
File type: Archive and compressed file
An a05 file suffix is related to the ARJ, a compression tool for MS-DOS and Microsoft Windows. An a05 file stores a part of split multi-volume ARJ compressed file archive.
Found 2 different file type records with the same a05 filename suffix.
What is a05 file?
File type category:
Archive and compressed file
Date updated: July 19, 2025
The a05 file extension is associated with ARJ. Its one part of a multi-volume compressed ARJ archive.
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.
How to open a05 file?
The *.a05 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 multi-volume archive in ARJ application and extract files from ARJ multi-volume archive.
How to convert a05 file?
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.
Suggested software to open a05 file:
Associated software actions with the a05 file
Software applications that can open a05 files:
ARJ32 (Microsoft Windows)
WinRAR (Microsoft Windows)
WinZip (Microsoft Windows)
7-zip (Microsoft Windows)
ZipZag (Microsoft Windows)
ARJ (Microsoft MS-DOS)
Software apps that create a05 files:
ARJ32 (Microsoft Windows)
ARJ (Microsoft MS-DOS)
Software apps that extract a05 files:
ARJ32 (Microsoft Windows)
WinRAR (Microsoft Windows)
WinZip (Microsoft Windows)
7-zip (Microsoft Windows)
ZipZag (Microsoft Windows)
ARJ (Microsoft MS-DOS)
Split Multi-volume ALZip compressed file archive (part 7)
File type category:
Archive and compressed file
Date updated: June 22, 2019
The a05 file extension is associated with the ALZip, a compression tool for Microsoft Windows operating system that supports about 40 compression file formats. It is one part of a multi-volume compressed ALZ archive.
Suggested software to open a05 file:
Associated software actions with the a05 file
Software applications that can open a05 files:
ALZip (Microsoft Windows)
Software apps that create a05 files:
ALZip (Microsoft Windows)
Software apps that extract a05 files:
ALZip (Microsoft Windows)