PKZIP

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PKZIP

PKZIP 2.04g for DOS, circa 1993
Original author(s)	Phil Katz
Developer(s)	PKWARE Inc
Type	archiving and data compression tool
License	proprietary
Website	http://www.pkware.com/

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 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".