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.ISZ File Extension

File TypeZipped ISO Disk Image

DeveloperEZB Systems
Popularity
3.6 (89 Votes)
CategoryDisk Image Files
FormatZip

Zip

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

What is an ISZ file?

An ISZ file is a file compressed in a disk image format (a.k.a. "ISO Zipped") developed by ESB Systems. It is similar to a regular .ISO file, but compressed to save disk space and may also be password-protected and encrypted using AES128, AES192, or AES256 encryption.

More Information

Large ISZ files can be split into segments defined by the user. The split files are created in the same location and receive the same filename. However, the extension is changed after the first segment, which has the ".isz" extension. The second segment receives the ".i01" extension, the third segment receives the ".i02" segment, and so on. ISZ files can also be spanned across multiple disks, CD-R discs, and DVD-R discs.

The ISZ format was originally designed to be extensible under certain restrictions, allowing it to be incorporated into products developed by users. A free SDK is available when contacting EZB Systems.

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Programs that open ISZ files
Updated 11/17/2016

About ISZ Files

Our goal is to help you understand what a file with a *.isz suffix is and how to open it.

The Zipped ISO Disk Image file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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