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Download Keltner Pro.rar
The RAR file format revision history:

    v1.3 (original, does not have "Rar!" signature)


    v2.0 - released with WinRAR 2.0 and Rar for MS-DOS 2.0 features the following changes:
        Multimedia compression for true color bitmap images and uncompressed audio.
        Up to 1MB compression dictionary.
        Introduces archives data recovery protection record.

    v2.91 - released in WinRAR version 3.00. Feature changes in this version include:
        File extensions is changed from {volume name}.rar, {volume name}.r00, {volume name}.r01, etc. to {volume name}.part001.rar, {volume name}.part002.rar, etc.
        Encryption of both file data and file headers.
        Improves compression algorithm using 4MB dictionary size, Dmitry Shkarin's PPMII algorithm for file data,
        Optional encryption algorithm is changed from cipher block chaining (CBC) mode to 128-bit AES.
        Optional creation of "recovery volumes" (.rev files) with redundancy data, which can be used to reconstruct missing files in a volume set.
        Support for archive files larger than 9 GB.
        Support for Unicode file names.>