PKZIP for DOS
Compress Files on your Legacy DOS System
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PKZIP for DOS

DOS Compression Software

PKZIP has been providing industry-leading ZIP compression for DOS systems for nearly 25 years. PKWARE is committed to file interoperability--files saved using the original PKZIP products can still be opened by any current PKWARE products.

  • Product Overview

  • Requirements

  • Reduces hard disk, floppy disk, and CD storage consumption
  • Provides script PKZIP, PKUNZIP®, and PKSFX functions with command-line syntax or with batch files on your older desktop PC
  • Supports Long File Names (LFN) (Windows® 95 only)
  • Backs up your entire hard disk with PKZIP for DOS, producing a ZIP archive with storage for up to 16,000 files
  • Offers large ZIP archives across multiple floppy diskettes without having to format disks ahead of time

Note: For Windows 98 and later, as well as for 64-bit versions of Windows, please see the command-line interface included in PKZIP for Windows or PKZIP for Server

  • For DOS 2.0 and greater, Windows 3.1x, or Windows 95/98, Windows Me*
  • 4 MB RAM
  • 1.2 MB free disk space
  • Not compatible with 64-bit operating systems