All about NRG Files

The NRG file type is primarily associated with Nero.

NRGFile Extension NRG
File extension: NRG
File type:  compact disc image

What is an NRG file?

NRG files mostly belong to Nero by Nero. An NRG file is an optical disc image saved in a proprietary (IFF-based) format developed by Nero AG. Information stored in an NRG file can include audio/video tracks, cue sheets, session information, and extended track data. The Nero Burning ROM utility in Nero multimedia software suite is the primary tool for creating and burning NRG disk images. Third-party disc authoring programs also support this format. Another type of NRG file contains registration entries used by Norton Internet Security antivirus software.

How to open an NRG file

You need a suitable software like Nero to open an NRG file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your NRG file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NRG file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert NRG files:

  1. Nero by Nero
    See the previous paragraphs to learn more about the main application. NRG files are often referred to as Nero disk images because this type of file is primarily created or used by this software.
  2. Norton Internet Security (registration entries) by Norton
    Norton Internet Security is an antivirus software for Windows operating system. Some versions of this program use an NRG file to store their registration entries. This file format is classified as Data.

NRG format details:

A file format defines how the data in the file is structured. The file format can be deduced from the file extension and the signature. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. Exact knowledge of the format is therefore important in order to solve problems occurring in files. In the following you will find our evaluation of the NRG files:

You will often come across the NRG file type. This mainly uses a special format. The two most common formats are as follows:

All other NRG files (3%) have no uniform format. Sometimes used for frenglish, microsoft, neverhood, ratatuy, driver, window, guide or temp. If you want to find out what your NRG file contains, drag and drop it onto this page.

Technical Data for NRG File Extension

File classification:
Disk Image
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: NortonRegfile, FileType: Norton Registration Entries, AppName: nregedit
EXEFile: nregedit.exe

ProgramID: WinISO, FileType: CDROM Image Files, AppName: WinISO
EXEFile: WinISO.EXE

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\Ahead\Nero\nero.exe %1

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\Ahead\Nero\Nero\nero.exe %1

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\CD\NERO\Nero6\Nero\nero.exe %1

ProgramID: NrgFileImage
EXEFile: %ProgramFiles%\Smart Projects\IsoBuster\IsoBuster.exe %1

ProgramID: NrgFileImage
EXEFile: D:\IsoBuster\IsoBuster.exe %1

ProgramID: ZipZag.nrg
EXEFile: %ProgramFiles%\ZipZag\zipzag.exe %1

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\nero\nero.exe %1

ProgramID: NeroImageType
EXEFile: F:\NEROBU~1\Nero\nero.exe %1

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\Nero\NERO6~1\nero\nero.exe %1

ProgramID: fastmountfile
EXEFile: %ProgramFiles%\D-Tools\FastMount\fastmount.exe %1

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\nero\nero\nero.exe %1

ProgramID: IZArc
EXEFile: %ProgramFiles%\IZARC\IZARC.EXE %1

ProgramID: UltraISO
EXEFile: %ProgramFiles%\UltraISO\UltraISO.exe %1

ProgramID: NeroBurningROM.Files7.nrg
EXEFile: %ProgramFiles%\Nero\Nero 7\Core\nero.exe %1

ProgramID: NortonRegfile
EXEFile: %ProgramFiles%\Norton SystemWorks\Norton Utilities\NREGEDIT.EXE %1

ProgramID: PAISO
EXEFile: %ProgramFiles%\PowerArchiver\POWERARC.EXE %1

ProgramID: IsoBuster.nrg
EXEFile: %ProgramFiles%\Smart Projects\IsoBuster\IsoBuster.exe %1

ProgramID: PowerISO
EXEFile: %ProgramFiles%\PowerISO\PowerISO.exe

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\Ahead2\nero\nero.exe

ProgramID: awxDiskImage
EXEFile: rundll32 %ProgramFiles%\DAEMON Tools\awxDTools.dll,awxOpenContextMenu

ProgramID: IZArcNRG
EXEFile: %ProgramFiles%\IZArc\IZArc.exe

ProgramID: NeroBurningROM.Files7.nrg
EXEFile: %ProgramFiles%\Nero 7\Core\nero.exe

ProgramID: NeroBurningROM.Files7.nrg
EXEFile: %ProgramFiles%\Nero\Nero Core\nero.exe

ProgramID: NeroExpress.Files7.nrg
EXEFile: %ProgramFiles%\Nero\Nero 7\Core\nero.exe

ProgramID: TypeImageNero
EXEFile: %ProgramFiles%\Ahead\nero\nero.exe

ProgramID: PowerISO
EXEFile: %ProgramFiles%\_CDvD\PowerISO\PowerISO.exe

ProgramID: NeroImageType
EXEFile: %ProgramFiles%\Nero\Nero 7\Nero\Nero.exe

ProgramID: NeroBurningROM.Files7.nrg
EXEFile: %ProgramFiles%\Nero\Core\nero.exe

ProgramID: awxDiskImage
EXEFile: rundll32 %ProgramFiles%\DAEMON Tools Lite\awxDTools.dll,awxOpenContextMenu

ProgramID: NeroBurningROM.Files8.nrg
EXEFile: %ProgramFiles%\Nero\Nero8\Nero Burning Rom\nero.exe

ProgramID: NeroBurningROM.Files8.nrg
EXEFile: %ProgramFiles%\Nero\Nero Burning ROM\nero.exe

ProgramID: KMPlayer.nrg
EXEFile: %ProgramFiles%\The KMPlayer\KMPlayer.exe

ProgramID: IZArcNRG
EXEFile: %ProgramFiles%\IZArc\IZArc.exe

ProgramID: NeroBurningROM.Files8.nrg
EXEFile: %ProgramFiles%\Nero\Nero Core\nero.exe

ProgramID: NeroBurningROM.Files9.nrg
EXEFile: %ProgramFiles%\Nero\Nero 9\Nero Burning ROM\Nero.exe


an nrg compact disc image is a special file format by Nero and should only be edited and saved with the appropriate software.

How to solve problems with NRG files

  • Associate the NRG file extension with the correct application.
  • Update your software that should actually open compact disc images. Because only the current version supports the latest NRG file format. Search, therefore, e.g. on the Nero manufacturer website after an available Nero update.
  • To make sure that your NRG file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .NRG file online - secure, fast, and no downloads needed.
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