What is a .ISM File And How To Open It – Flexera Software (Easy Guide)


Have you came across a file with the .ism extension and you don’t know what it is? Perhaps you know what the file is, but you simply don’t know how to open it. That’s why you are here! We have made this guide for you to learn more about the .ism file extension and how to open it.

What is a .ISM file?

The .ISM file extension is from InstallShield Project File. This file extension belongs to the developer Flexera Software. The file has the xml format, and it is a development related file.

What to know

There is currently 1 software that can open the .ism file on 1 platform.

How to open a .ISM file?

Below you can find an easy to understand, step-by-step guide to open the .ISM file on your operating system/device.

How to open a .ISM file on Windows (7, 8, 10)

There are 4 simple steps to open the .ism file on Windows.

1. The first step is to download the Flexera InstallShield software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .ISM file

2. The second step is locating the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Flexera InstallShield software that you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .ISM file?

If you cannot open the .ISM file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .ISM file.ism – Microsoft. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .ISM file with the Flexera InstallShield program on Windows.