Opening an NR4 File

The NR4 file type is primarily associated with Nero.

NR4	File extension: NR4
	File type:	AAC CD Compilation

What is an NR4 file?

NR4 files mostly belong to Nero by Nero AG. Nero’s digital media suite offers DVD/CD burning, editing and authoring, video, audio, photo, networking and back-up applications.

How to open NR4 files

You need a suitable software like Nero to open an NR4 file. You need a suitable software like Nero from Nero AG to open an NR4 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 NR4 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NR4 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online NR4 Text Viewer

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4 Steps to Open an Unknown .NR4 File

Since .NR4 files can originate from different programs, they aren't universally openable.

Identify the Source: Files received from audio engineers or CD burning workflows often suggest a Nero AAC CD Compilation.
Check the Header: Inspect the first bytes in a hex viewer or text editor.
- "PK" indicates a standard ZIP archive.
- Readable XML/JSON suggests a text-based configuration.
- Unique magic bytes may point to proprietary Nero formats.
Use the Original Software: The original program is usually required; try Nero Burning ROM, Nero Multimedia Suite, or ask the sender if you are uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text or metadata, and preview contents when possible.

Technical Data for NR4 File Extension

Program ID:

NeroAACType

Related files:

nr3, cue, nrg

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: NeroAACType
EXEFile: %ProgramFiles%\Ahead\nero\nero.exe %1

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

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

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

ProgramID: NeroAACType
EXEFile: G:\SHARED~1\nero\nero.exe %1

ProgramID: NeroAACÆ¿»
EXEFile: %ProgramFiles%\Ahead\Nero\nero.exe %1

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

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

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

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

ProgramID: NeroAACType
EXEFile: blank

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Nero\Nero 7\Core\nero.exe %1

ProgramID: NeroAACType
EXEFile: C:\DOCUME~1\Milja\LOCALS~1\Temp\RarSFX0\Nero\nero.exe %1

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Ahead\Nero\nero.exe %1

ProgramID: NeroAACTipi
EXEFile: %ProgramFiles%\Ahead\nero\nero.exe %1

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

ProgramID: NeroAACTip
EXEFile: %ProgramFiles%\Ahead\Nero\nero.exe

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Nero 7\Core\nero.exe

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Nero\Nero Core\nero.exe

ProgramID: NeroExpress.Files7.nr4
EXEFile: %ProgramFiles%\Nero\Nero 7\Core\nero.exe

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Nero\Nero8\Nero Burning Rom\nero.exe

ProgramID: NeroBurningROM.Files7.nr4
EXEFile: %ProgramFiles%\Nero\Core\nero.exe

ProgramID: NeroBurningROM.Files8.nr4
EXEFile: %ProgramFiles%\Nero\Nero8\Nero Burning Rom\nero.exe

ProgramID: NeroBurningROM.Files8.nr4
EXEFile: %ProgramFiles%\Nero\Nero Burning ROM\nero.exe

ProgramID: TypeAACNero
EXEFile: %ProgramFiles%\Ahead\Nero\nero\nero.exe

ProgramID: NeroBurningROM.Files8.nr4
EXEFile: %ProgramFiles%\Nero\Nero Core\nero.exe

ProgramID: NeroBurningROM.Files9.nr4
EXEFile: %ProgramFiles%\Nero\Nero 9\Nero Burning ROM\Nero.exe

Show all 27 listings To Top

an nr4 AAC CD Compilation is a special file format by Nero AG and should only be edited and saved with the appropriate software.

How to solve problems with NR4 files

Associate the NR4 file extension with the correct application.
Update your software that should actually open aac cd compilations. Because only the current version supports the latest NR4 file format. Search, therefore, e.g. on the Nero AG manufacturer website after an available Nero update.
To make sure that your NR4 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .NR4 file online - secure, fast, and no downloads needed.