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

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Have you came across a file with the .dex extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. That’s why you are here! We have made this guide for you to learn more about the .dex file extension and how to open it.

What is a .DEX file?

The file extension .DEX is from Disketch Project File.This file extension was developed by NCH Software. The format of this file is binary, and it is a data related file.

What to know

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

How to open a .DEX file?

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

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

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

1. In the first step you need to download the NCH Disketch software. You will be using this software in order to open the file. Other software that can be used in opening this file is: NCH Disketch.

Step 2

Step 2: Locating your .DEX file

2. The second step is locating 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. After choosing the “Open with” option, you will have an option to choose the NCH Disketch software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .DEX file?

If you are still unable to open the .DEX file, it might be because you are trying to open the wrong one. The .DEX file extension is similar to other file extensions such as: .dex – Google, .dex – Microsoft, .dex – DEXIS. 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 .DEX file with the NCH Disketch program on Windows.