ISS File - opening and understanding

Did your computer fail to open an ISS file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ISS files.

What is an ISS file?

Files that contain the .iss file extension are InstallShield silent response files. These files are used by the Windows InstallShield software application. Windows InstallShield is a program that helps users install software applications on their systems and also allows developers to use a seamless installation process for their software products.

The InstallShield software was originally developed in 1992 by Stirling Technologies. The ISS files that are used by the InstallShield program contain the settings for the associated program that is being installed and the files are used during process of the software installation. These files are normally saved in a text-based file format.

How to open ISS files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ISS for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different ISS openers which you will find listed below.

Suggest another file format using extension ISS

While we know of one file format using the .ISS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ISS file.

Various viewers for this file format

These apps are known to open certain types of ISS files. Remember, different programs may use ISS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

InnoInnoUser submitted
Inno Script StudioInno Script StudioUser submitted
AkelPadAkelPadUser submitted
OPTPiX imesta for Mobile & SocialOPTPiX imesta for Mobile & SocialUser submitted
Inno Setup QuickStart PackInno Setup QuickStart PackUser submitted
InnoIDEInnoIDEUser submitted
PDF To JPGPDF To JPGUser submitted
OPTPiX iMageStudio MPOPTPiX iMageStudio MPUser submitted
Any Video Converter FreeAny Video Converter FreeUser submitted
DiffVueDiffVueUser submitted
We have not verified any software that we know for certain will work with ISS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ISS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!