Open a20 file
Did your computer fail to open a20 file? We explain what a20 files are and recommend software that we know can open your a20 files.
What is a20 file?
An a20 file extension is related to the ARJ compression tool for MS-DOS and Microsoft Windows operating system. An a20 file stores ARJ compressed file archive part 22.
a20 file description
The a20 file extension is associated with ARJ. Its one part of a multi-volume compressed ARJ archive.
ARJ is 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.