What is the A20 file?
The A20 file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Split Multi-volume ARJ Compressed Format Archive (part 22) format. A20 files are supported by Windows operating systems. The A20 file is one of the Archive Files files, just like 619 of the other files found in our file information database. The creator of Split Multi-volume ARJ Compressed Format Archive (part 22) is ARJ Software, Inc..
A program that can open the A20 file is e.g. ARJ32. This software was released by ARJ Software, Inc.. However, you can also use other applications, e.g. WinZip, 7-Zip, WinRAR, ZipZag.
Programs, that can open .A20 files
How to open a .A20 file?
If you have problems opening the file A20, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the A20 file format with the installed program. If not, right click on your A20 file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all A20 files should automatically open with the selected program.