PKZIP
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PKZIP is a file archiving computer program, notable for introducing the popular ZIP file format. PKZIP was first introduced for MS-DOS on the IBM-PC compatible platform in 1989. Since then versions ha
PKZIP on a floppy disk
PKWare
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PKWARE, Inc. is an American enterprise data protection software company that provides discovery, classification, masking and encryption software, along with data compression software. The company is h
PKZIP
…have been released for a number of other architectures and operating systems. PKZIP was originally written by Phil Katz and marketed by his company PKWARE, Inc. starting in 1986. The company bears his initials: "PK". By the 1970s, file archiving programs were distributed as standard utilities with operating…
PKWare in Milwaukee, former Pittsburgh Plate Glass Enamel Plant