Create ARJ archives on Windows
------------------------------

http://www.arjsoftware.com/files.htm

Download:
ARJ 2.86 (or newer) 

Extract this archive and configure Total Commander to use it
(See: MoveSrcsUsingARJ1.png)

Select files to archive in Total Commander and create ARJ archive.
Then use Binary to CP/M package by G. Searle.

Extracting ARJs on CP/M 2.2
---------------------------
https://www.chiark.greenend.org.uk/~jacobn/cpm/cpmfiles.html

CPMUNARJ.COM    19k 29/07/95 CP/M .ARJ file extractor. A CP/M program to
                dissolve archives of type .ARJ. Requires
                reasonably large TPA (53K) - PCW users need
                not worry. Z80 only. SEA.

Download "cpmunarj.zip" and extract it's content.
Transer this files to RC2014 using Binary to CP/M package and run it.
For example:
F:cpmunarj h:c.arj (See: MoveSrcsUsingARJ4.png)