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Filename extension .afa
Internet media type application/x-astrotite-afa application/octet-stream
Developed by Vicente Sanchez
Type of format Archive format

In computing, AFA is a proprietary archive file format that supports data compression, error recovery, data encryption and file spanning.[1] It was developed by a Spanish software engineer, Vicente (hence the name AFA: Astrotite Format Archiver ), and is currently licensed by Fantiusen Software.[2][3]

The filename extension used by AFA is .afa for the data volume set. If a AFA-archive is broken into many smaller files (a "multi-volume archive"), then the smaller files use the extensions .0001.afa, .0002.afa, .0003.afa etc.[4]



AFA files may be created only with commercial software astrotite. The Astrotite EULA (End user license agreement) is embedded in installation files -.[5]



Astrotite is commercial software (Free for not SAP)[6] available for Microsoft Windows and Linux. It is the only graphical tool that can write modern AFA files.

Vicente created the AFA file format and developed programs for packing and unpacking AFA files (.ast2 format), originally for Microsoft Windows[7] which were later ported to other platforms in the Astrotite version 200X. The main Windows version of the archiver, known as Astrotite, is distributed as free for users, requiring payment for company, schools, etc. Others versions of this program are also available for GNU/Linux, and FreeBSD.[8]

Comparison to other compression algorithms

AFA compression and decompression operations are faster than compressing and decompressing the same data with early compression algorithms like ZIP or RAR. The compression rate it`s similar to ZIP.[9]

For further reading see Compression comparison.

Internet media type

Astrotite for Linux lists the default Internet media type for AFA files as application/x-astrotite-afa.

See also


External links


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