How to open .ARJ file extension?

If you cannot open a new file that has been saved in the .ARJ format you need to download the appropriate software. The manufacturer of .ARJ files is ARJ Software; .ARJ files belong to the Compressed Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .ARJ files. Activities performed in the order described should solve the problems with all the files in the .ARJ format.