Since NRG files are usually CD or DVD copies created with Nero, you can double-click them to open them in Nero, if you have one. If not, this wikiHow article will show you how to open NRG files by converting them to a more common format, such as ISO. To open an NRG file, you just need to convert it to ISO and then mount the image.
Steps
Method 1 of 2: Converting to ISO on Windows
Step 1. Access https://www.crystalidea.com/anytoiso/download in an internet browser
AnyToISO is a reliable and well-recommended program that offers NRG to ISO file conversion. The lite version will work on files equal to or smaller than a normal CD, ie 870 MB.
Step 2. Click Download for Windows
You will see this option on the right side of the browser.
Step 3. Double-click the.exe file
You will see it at the bottom of your browser or in the “Downloads” folder.
You may have to give the program permissions before continuing
Step 4. Follow the installation wizard tutorial
Accept all agreements before proceeding.
Step 5. Open AnyToISO
You will find it in the Start Menu.
Step 6. Click Open Image…
next to “Source image/file”.
Your file explorer will open.
Step 7. Find the NRG file and double click on it
Step 8. Click Convert
You will see this option in the lower left corner of the window. It will be inactive until you add a file to convert. The conversion will take a few minutes.
Step 9. Find your ISO file
You'll find it in the File Explorer (probably under “Downloads”).
If you're using Windows 7, you'll need a program to mount your ISO. Windows versions 10, 8 and 8.1 have a built-in program
Step 10. Right-click on the ISO file
If you double click the file, it might open in another program, so right click. This will make a dropdown menu appear.
Step 11. Click Mount
This is the image of a CD or DVD player and a CD or DVD disc.
Step 12. Find your mounted ISO
It can usually be found in the “Devices and Drives” section of “This PC”.
Method 2 of 2: Converting to ISO on macOS
Step 1. Access https://www.crystalidea.com/anytoiso/download in an internet browser
AnyToISO is a reliable and well-recommended program that offers NRG to ISO conversion. The lite version will work for files equal to or smaller than a standard CD, which is 870 MB.
Step 2. Click Download for macOS
You will see this option on the right side of the browser.
Step 3. Find the downloaded file
It will be in.zip format, so double click on it to unzip. You can find it on the desktop or in the “Downloads” section of the Finder.
Step 4. Double-click the.dmg file to run the installer
Step 5. Follow the onscreen instructions to install the application
Once you agree to the terms, you'll be asked to drag the app's icon to the Applications folder.
Step 6. Open AnytoISO
You'll find it in the Applications folder.
Step 7. Click Open Image…
next to “Source image/file”.
Your file explorer will open.
Step 8. Find and double click on the NRG file
Step 9. Click Convert
You will see this option in the lower left corner of the window. It will be inactive until you add a file to convert. The conversion will take a few minutes to complete.
Step 10. Find your ISO file
You can find it in the Finder or using Spotlight.
Step 11. Double click on the ISO file
This will mount the file.
Step 12. Click on the ISO in the left menu
This file looks like a CD or DVD drive and usually goes below your computer's name, such as macOS High Sierra 10.13 under “Devices”.