Open ISO file

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

iso 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.

.iso file type #1: ISO disk image

Files with iso extension are typically utilized for the universal CD/DVD disk image format. These are often used  standard backup format for physical disks and are extensively compatible with burning or virtualization software.

Further details:

ISO file, often called an ISO image, is a single file that's a perfect representation of an entire CD, DVD, HD DVD, or Blu-ray disc.

It is a type of disk image composed of the data contents from every written sector on an optical disc, including the optical disc file system. ISO image files usually have a file extension of .iso.

The name ISO is taken from the ISO 9660 file system used with CD-ROM media, but it also refers to the ISO 13490 standard for storing audio/video content. These ISO files can be used to write or "burn" to a new disc, creating a replica of the original disc, or they can be mounted as a virtual disc and accessed as if it were a physical disc. This is useful for storing disc data in a single file, for backup, transfer, or distribution purposes.

Open file with:

ISOBuster icon


A highly specialized and easy to use CD, DVD and blu-ray data recovery tool

PowerISO icon


Application used to manage DAA and other disk images

Daemon Tools icon

Daemon Tools

One of the best ISO emulation programs

Apple Disk Utility icon

Apple Disk Utility

A disk mounting utility from Mac

DAEMON Tools for Mac icon

DAEMON Tools for Mac

Solution for mounting CD/DVD/HDD disc images on Mac

Roxio Toast Titanium icon

Roxio Toast Titanium

Roxio Toast 11 Titanium makes disc burning, DVD copying and video conversion as easy as drag, drop and go

Burn for Mac OS X icon

Burn for Mac OS X

A disc burning program for MacOS / OS X

AnyToISO for Mac icon

AnyToISO for Mac

Mac version of popular disk image converting program

AnyToISO icon


A disk image converter for Microsoft Windows

MagicISO icon


A powerful CD/DVD-image-file editor, CD burner, and CD/DVD-backup tool

.iso file type #2: CALS ISO 8613 bitmap graphics

Files with iso extension are used by the CALS as a graphics file format.

Further details:

The iso file extension is associated with CALS, Computer Aided Acquisition and Logistics Support.

The .iso files may contain images in ISO 8613 raster graphics format, spreadsheets or video/voice. Standards used by NATO.

Open file with:


A PSP emulator

.iso file type #3: Cimagraphi CAD data

Files with iso file extension could also be some old CAD files Cimagraphi software. Probably no longer actively used.

Further details:

The iso file extension is also reported to have been used in some older version of Cimagraphi CAD software for one of its CAD format.

Most likely later replaced by one of the common CAD standards like DXF or IDES.

Open file with:


A comprehensive CAD/CAM package for craftsmen, artists, and designers

.iso file type #4: ePSXe Sony Playstation game image

Files with iso file extension may be also found as special game disk for ePSXe Sony Playstation emulator. Not standard ISO format.

Further details:

The iso file extension is also used in Sony Playstation gaming console emulator for Widows and Linux called ePSXe for its default disk image format.

These files are different than the standard CD/DVD ISO format just share the same file extension.

Open file with:

ePSXe icon


A Sony Playstation emulator


An universal multiplatform PSP emulator for PC written in JAVA

PSXPeria: Native PSX Emulator ISO Converter

A Playstation disk image conversion utility

.iso file type #5: InstallShield uninstall data

An iso file extension is associated with the InstallShield program. An iso file stores uninstall data.

Further details:

The iso file extension is related to the InstallShield, a software, which enables users to create MSI ane EXE Installers for Microsoft Windows system.

The iso file contains uninstall information generated by this program.

Open file with:


An installation package maker

.iso file type #6: Sega CD game disk image

An iso file extension is related to the Gens, an emulator of Sega video gaming consoles. An iso file contains game disk image.

Further details:

The iso file extension is associated with some emulators of Sega CD, such as Gens.

Sega CD was CD-ROM accessory for Sega Genesis (also known as Mega Drive).

Image used by Gens. Disk image contains game for Sega CD (Sega Genesis).

Open file with:


A Sega Genesis emulator

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.iso" has the file extension "iso". 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.

Only verified software links are provided

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.