How to Open NRG Files

Last Updated: October 25, 2022

Since NRG files are generally CD/DVD copies created with Nero, you can double-click the file to open them in the Nero program if you have it. If not, this wikiHow shows you how to open NRG files by converting to a more popular format, like ISO. To open an NRG file, all you need to do is convert NRG to ISO, then mount the image .

Things You Should Know

NRG files are disk images created with the Nero Burning ROM or other Nero apps.
If you don't have Nero, you can convert NRG files to ISO and burn or mount them as CDs or DVDs.

Method 1

Method 1 of 2:

Converting to ISO on a Windows-Based Computer

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Go to https://www.crystalidea.com/anytoiso/download in a web browser. AnyToISO is a highly suggested and reliable program that offers to convert NRG files to ISO. The lite version will work for files equal to or smaller than a normal CD, which is 870MB.
You’ll see this near the right side of your browser.

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Double-click the .exe file. You’ll see this either at the bottom of your browser or in the “Downloads” folder.
- You may have to grant the program permissions before you can continue.
Accept any and all agreements before continuing.
You’ll find this in your Start Menu.
Your file browser will open.
You’ll see this in the bottom left of the window browser. It will be greyed out until you add a file to convert. The conversion will take a few moments to complete.
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Navigate to your ISO file. You’ll find this in File Explorer (most likely in “Downloads”).
- If you’re using Windows 7, you will need a third-party program to mount your ISO. Windows 10, 8, and 8.1 have a built-in program.
Double-clicking the file might open it in another program, so make sure you’re right-clicking the file. When you do, a menu will drop down.
This is the image of a CD/DVD player and a CD/DVD disk.
This is generally found in the “Devices and drives” section of “This PC.”

Method 2

Method 2 of 2:

Converting to ISO on macOS

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Go to https://www.crystalidea.com/anytoiso/download in a web browser. AnyToISO is a highly suggested and reliable program that offers to convert NRG files to ISO. The lite version will work for files equal to or smaller than a normal CD, which is 870MB.
You’ll see this near the right side of your browser.
It's in a .zip format, so double-clicking the file will unpack it. You might find this on your desktop or in the “Downloads” section of Finder.
After agreeing to the terms, you'll be prompted to drag the application icon to the Applications folder.
You’ll find this in your Applications folder.
Your file browser will open.
You’ll see this in the bottom left of the window browser. It will be greyed out until you add a file to convert. The conversion will take a few moments to complete.
You can find this in Finder or by using Spotlight.
This will mount the file.
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Click the ISO in the menu on the left. This file looks like a CD/DVD drive and is usually under your computer’s name, like macOS High Sierra 10.13 in “Devices.”