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.Z03 File Extension

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File TypeWinZip Third Split Zip File

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Rare Uncommon Average Common Very Common
CategoryCompressed Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


The third file of a split archive created with WinZip, a popular file compression utility; uses the same compression as a standard .ZIP file, but is part of a collection of files that make up a single archive.

More Information

Because the Z03 file is the third part of a split archive, it must be decompressed along with a .Z01 and .Z02 file. There may also be a .Z04 file and additional files that make up the split archive.

Programs that open Z03 files
Corel WinZip 20.5
Smith Micro StuffIt Deluxe for Windows
ConeXware PowerArchiver
Smith Micro StuffIt Deluxe 16
The Unarchiver
Updated 9/15/2014

FileInfo - The File Extensions Database

This page contains information about the .Z03 extension and its known file associations. Our goal is to help you understand what a Z03 file is and how to open it.

The WinZip Third Split Zip file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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