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

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Have you downloaded a file with .boot extension, but you are not sure what it is? You most likely know what the file is, but you might be unsure on how to open it. Don’t worry! This article explains everything about the .boot file extension, how to open and work with it on various systems.

What is a .BOOT file?

The .BOOT file extension stands for InstallShield Boot File. It was developed by Flexera Software. The format of this file is text, and it is a settings related file.

What to know

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

How to open a .BOOT file?

Below we have written a comprehensive guide on how to open the .BOOT file on various operating systems.

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

To open the .boot file on Windows, please follow these 4 easy steps.

1. In the first step you need to download the Flexera InstallShield software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .BOOT file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “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 .BOOT file?

If you cannot open the .BOOT file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .BOOT file.bootskin – Stardock, .bos – IBM, .box – E-mail Mailbox, .box – CARA, .box – 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 .BOOT file with the Flexera InstallShield program on Windows.