What is the A20 file format?
A file with the .A20 extension is a file known as Split Multi-volume ARJ Compressed File Archive (part 22). This format is associated with ARJ Software, Inc..
The reliable way to open a .A20 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .A20 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMESplit Multi-volume ARJ Compressed File Archive (part 22)
DEVELOPERARJ Software, Inc.
CATEGORYMisc Files
Community Q&A
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