Currently ranks as one of the best in compression in terms of size
reduction of the currently available archivers including PKZIP
1.10, PKZIP 2.04, PAK 2.51, ARC 7.0 (ARC PLUS), LHARC 1.13c, LHA
2.13 and the new ZOO 2.10.
The ability to process and archive up to 32,000 files at one time.
Archive and individual file comments with the option of
inputting comments from a file.
ARJ has MS-DOS 3.x international language support for the proper
casing of filenames and text.
The ability to put the entire ARJ command line in a response type
file as in "ARJ @command.rsp".
32 bit CRC file integrity check.
DOS volume label support.
Default storing of specified pathnames to allow recovery of a
File generation archive support where ARJ will allow the user to
keep several versions of the same file in an archive.
Archives that can span diskettes.
Archive file re-ordering facility with the option of sorting by
file size, file extension, CRC value, date-time modified, filename,
pathname, compression ratio, file attribute and more.
String searching with context display within archive files.
Built-in facility to recover files from broken archives.
Multiple volume self-extracting archives.
The ability to embed command line type options inside
Internal string data integrity check in ARJ to resist hacking a la
LHARC to ICE.
Archive security envelope "seal" feature to resist tampering with
Password option to encrypt archived files.
Text mode data compression option to enable movement of text files
from one host machine to another.
File extraction to screen in a paged mode to permit browsing
through an archive.
Specification of the files to be added to or exclude from an
archive via one or more list files.
Sub-directory recursion during compression and extraction.
As a service to ARJ Software customers who want to register by credit
card, arrangements have been made with the Public Software Library
(PSL) to handle all credit card registrations. PSL accepts Visa,
MasterCard, American Express, and Discover Card.