Open NES file

NES files: what are they and how do I open them?

Unknown file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.nes file type #1: Nintendo Entertainment System ROM image

Files with nes extension are in most cases ROM-image captured from NES game cartridge, which are from iNES emulator of classic NES and Famicom videogame consoles from Nintendo. 

Further details:

File extension nes is associated with iNES (Nintendo Entertainment System) ROM-image files.

A .nes file contain same data as the original cartridge and can be played using NES emulators on both MAC and PC platforms.

Open file with:


A video console emulator

OpenEmu for Mac icon

OpenEmu for Mac

An emulator of video gaming consoles for Mac


A NES/Famicom emulator


A NES emulator program


An open source Win32 NES emulator

.nes file type #2: Nessus attack scripting language key

A nes file extension is related to the Nessus security software. A nes file stores attack scripting language key.

Further details:

The nes file extension is associated with the Nessus, a vulnerability assessment solution for Microsoft Windows operating system, developed by Tenable.

The nes file contains attack scripting language key data.

Open file with:

Nessus icon


A vulnerability scanner

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.nes" has the file extension "nes". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

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We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.