HPACK- Multi-System Archiver is an archiver written to allow the transferring of archived data to multiple systems. Traditionally, archivers were only available to single systems only. HPACK is intentionally created to be a universal archiver by offering versions for different environments such as Archimedes, Atari ST, Macintosh, Commodore Amiga, Mircosoft Windows, MS DOS, 16bit and 32 bit versions of OS/2, OS/2 Presentation Manager [currently developing], Apple IIgs [planned], UNIX, Primos[planned], VMS [also currently developing] and any other possible systems. Currently existing versions include Dutch, English, Bavarian, Italian, German, Polish, Swiss German and Spanish using the IBM PC, ASCII, IBM Codepage 850, ISO 8859-1 [Latin 1], IBM Codepage 869, ISO 8859-2 [Latin 2], ISO 8859-3 [Latin 3], Macintosh, ISO 8859-4 [Latin 4], NeXTSTEP characters set and Mazovia.