.ISZ File

File extension isz is associated with a compressed disk image file format developed by EZB Systems, creators of the UltraISO application that is used as burning application and disk image manager.

The ISZ stands for "ISO Zipped". It is ISO disk image compressed by ZLIB or BZIP2 compression file format. ISZ file format also supports AES encryption. ISZ is public format and it can be opened in various third party applications.

Files with isz extension can be most often encountered as compressed disk image files from the makers of UltraISO. It's a somewhat rare file format and most programs do not support it.

How to open:

The ISZ disk image file format is primary associated with UltraISO. UltraISO is an ISO CD/DVD image file creating/editing/converting tool. UltraISO can open, create and edit ISZ disk image file.The ISZ compressed disk image is supported by third party applications, such as Alcohol 120%. Alcohol 120% can open ISZ file or burn it on CD/DVD medium. Also can mount ISZ disk image file into Alcohol 120% virtual CD/DVD drive.

How to convert:

UltraISO supports other ISO disk image formats such as .ISO, .BIN, .IMG, .CIF, .NRG, .BWI and etc. UltraISO can convert ISZ format into another formats, that it supports. Alcohol 120% also supports ISZ compressed disk image file format and can convert it to another disk image file formats, that Alcohol 120% supports.