.ISS File Extension

Flexera Software
File Type:
InstallShield Silent Response File

Having trouble opening .iss extension? Don't panic! This page explains what iss files are as well as suggests programs you may use to open iss files. You can download these programs through this page.

What is a ISS file?

Iss file extension has InstallShield Silent Response file type, developed by Flexera Software, which is associated with the "settings files" category.

InstallShield is an application designed to create Windows installers. It uses files with this extension. They contain a list of installation settings written in a text format. ISS files are needed to make automated responses when installing the software so there would be less interaction between the installation wizard and the user. Files in the .ISS format are similar to .INI files.

To learn how you can open the given file, read the information below.

iss file icon
Flexera Software
File Type:
InstallShield Silent Response File
Settings Files

How to open ISS file?

Double click the iss file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .iss extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the iss extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the iss file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open ISS files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the iss file as well. Download Universal File Viewer for your OS.

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