What is an ISO file?

The full form of ISO file is  International Organization for Standardization. It is also known as disc image. A disc image is an entire copy of everything stored on a physical optical disk like CD, DVD, or disc. They’re a sector-by-sector copy of the disc in this no compression is use. The thought behind ISO file is that you can simply archive a particular digital copy of a disc, then later use that image to burn a replacement disc that’s successively a particular copy of the first . Most operating systems allows you to mount an operating system as a virtual disc.

The reason behind the widely use of disc image is that is creates a single downloaded file for many large programs and files. Maximum of Operating Systems like Windows, Linux, Ubuntu are distributed as an disc images.

Mounting doesn’t copy anything, it just makes files accessible inside an ISO file and Extracting the ISO file means copies the files from the ISO to some other location.

Mounting an ISO file (How to open ISO files) :

The procedure of accessing files from an optical disc image is called mount an ISO file. And this can be done by external utility software like ISO extractor, WinCDEmu and in Windows version greater than version 8 none third party software is used.

  • Select the file.
  • Head to Manage
  • Then click on mount

Extracting an disc image file:


If you don’t want to mount an ISO or burn it in the disc, but still got to access to the files inside, you’ll extract the contents to your PC. For this, you’ll need a third-party applications like WinRAR or 7-Zip.

Also read this:

How To create an ISO File:


Creating an disc file from discs gives us a digital copy of your physical discs. We can use the files by mounting them on computers that don’t have an optical drive. We also use the files in the future to burn another copy of your disc and share that disc image file with other systems.

In both MacOS and Linux both OS has pre-installed software that allows you to create an image file from a physical disc. But in windows, you’ll need to use a third-party application to make an Optical Disc Image by external utility softwares like CDBurnerXP, InfraRecorder or ImgBurn.

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