What Are ISO Files & How You Can Create, Use & Burn Them For Free In Windows 7

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what are iso filesISO files can be created from any CD or DVD you have lying around. They’re called “disc images” because they’re an exact image of a disc. An ISO file contains an exact representation of the contents of a disc, allowing you to create backup copies of discs and store them digitally.

These ISO files can be used as if they were physical discs, making them particularly useful I you have a computer without a disc drive, such as an ultrabook. You can also burn the ISO image to another disc, creating a copy of your original disc.

What Are ISO Files?

An ISO file is a complete copy of a CD or DVD. You can create ISO images yourself or download them from the Internet. For example, Linux distributions offer freely downloadable ISO files that you can burn to disc.

You can use an ISO image in a variety of ways. The ISO file itself is a backup of a disc, so you can use the ISO file if you ever lose or damage the original disc. You can also “mount” the ISO, which makes it accessible as if it were a physical disc – you can install software from the disc and access its files as if it were inserted in your disc drive. ISO files can be used to install software from discs on computers that lack physical disk drives.

The ISO file can also be “burned” back onto another CD or DVD, creating a copy of the original disc. If you want more detailed technical information, check out the ISO image article on Wikipedia.

Creating An ISO File From a Disc

We’ll be using WinCDEmu to create and use ISO files. It’s one of programs on our Best Windows Software page. There are many other tools that can create and use ISO images, but WinCDEmu is nice and simple.

To create an ISO file after installing WinCDEmu, insert a CD or DVD into your computer’s CD or DVD drive and open the Computer window from your Start menu. Right-click the disc drive and select the Create ISO Image option.

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what are iso files

WinCDEmu will create an ISO image from your disc. This make take some time, depending on how fast your disc drive can read the disc and the size of the disc itself. This process is known as “ripping” a disc.

what are iso files used for

Using An ISO

To use your ISO image and make your files accessible, locate the ISO image file on your hard drive and double-click it. This is known as “mounting” the disc image.

what are iso files used for

WinCDEmu will make the ISO image accessible at a new drive letter. You can use it as if it were a physical disc inserted into your computer. To “unmount” the disc image, right-click the new drive letter and use the Eject option.

what are iso files used for

WinCDEmu is just one of many options — you can use other programs such as DAEMON Tools Lite or Alcohol 52% to mount disc images.

Burning an ISO

You can “burn” an ISO image back to a disc, creating a new copy of the original disc. Windows 7 includes integrated support for this, so you don’t have to install any third-party software. Just right-click an ISO file and select Burn disc image.

what are iso files

Windows will allow you to select the disc drive you want to burn the image to. You can optionally verify the disc after burning to ensure there were no errors during the disc-burning process.

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If you don’t have Windows 7 or a newer version of Windows, such as Windows 8, you’ll need to install another application to burn ISO files. InfraRecorder is one good option, and you can other good options in the CD/DVD Tools section of our Best Windows Software page.

There are also other types of disc image files you may come across on the Internet, such as BIN/CUE, NRG, MDS/MDF, CCD, and IMG files. These work similarly to ISO files, but you’ll need different programs to work with them.

What do you use ISO image files for? Leave a comment and share any tips or tricks you have!

Image Credit: Laptop on White Background, DVD Disc in Drive via Shutterstock

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Comments (47)
  • minnie

    so , is it advisable that each time i burn my videos from iMovie, i opt for ISO, rather than movie?

  • LuckyBelly

    I use another software named Any DVD Cloner Platinum to burn ISO file to blank DVD disc. It works amazingly.

  • Walter Gilbert

    Thank you for a clear explanation.

  • david mccarroll

    I did not know windows 7 could do this either.This will make storing cd’s easier.

  • careylili

    To create ISO Image File for movie DVD, I think use a DVD copy software is more straightforward as it just requires a few clicks and all is done.

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This review may contain affiliate links, which pays us a small compensation if you do decide to make a purchase based on our recommendation. Our judgement is in no way biased, and our recommendations are always based on the merits of the items.

For more details, please read our disclosure.
Affiliate Disclamer

This review may contain affiliate links, which pays us a small compensation if you do decide to make a purchase based on our recommendation. Our judgement is in no way biased, and our recommendations are always based on the merits of the items.

For more details, please read our disclosure.