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.ISZ File Extension

File TypeZipped ISO Disk Image

DeveloperEZB Systems
3.6 (81 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryDisk Image Files


This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.

What is a ISZ file?

Compressed disk image format (a.k.a. "ISO Zipped") developed by ESB Systems; similar to a regular .ISO file, but compressed to save disk space; may also be password-protected and encrypted using AES256 encryption.

More Information

Large ISZ files can be split into segments and spanned across multiple disks.

Open over 300 file formats with File Viewer Plus.
Programs that open ISZ files
EZB Systems UltraISO
WinMount International WinMount
Alcohol 120%
DT Soft DAEMON Tools
Updated 3/16/2009

.ISZ Extension Information

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

The Zipped ISO Disk Image 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 We strive for 100% accuracy and do not publish any information we have not verified.

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