If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .nef

On this page, we're going to take a closer look at the .nef file extension.

We'll explain what exactly a .nef file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .nef files into different formats, we'll give you some tips on how to do that too.

Let's see the 2 file formats associated with this file extension!


  1. Nikon RAW Image
  2. Nero BackItUp Encryption File

We trust that our website will provide valuable information for you. If you have any questions, just ask!

Nikon RAW Image

nef file - Nikon RAW Image
The NEF file belongs to the Graphic category and works with Nikon RAW Codec, being used as a Nikon RAW Image. A NEF (Nikon Electronic Format) image file contains minimally processed data from the image sensor of a Nikon digital camera. The developer is still actively supporting the Nikon RAW Codec, likely. Based on our current information, Nikon RAW Codec does not use other file types.
Application: Nikon RAW Codec
Program name: -
Category: Graphic files
Mime-type: image/x-raw
Related extensions:
.tga Targa Bitmap Image
.k25 Kodak DC25 RAW Image
.icb Image Capture Board Raster Image
.cdr CorelDraw Drawing

Nero BackItUp Encryption File

nef file - Nero BackItUp Encryption File
The NEF file belongs to the Data category and works with Nero BackItUp, being used as a Nero BackItUp Encryption File. Nero BackItUp is a program for backing up and restoring data. The developer is still actively supporting the Nero BackItUp, likely. Our data shows that Nero BackItUp uses 8 more file types.
Application: Nero BackItUp
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.nrm Nero Mixed Mode CD Compilation
.nbs Nero Burning ROM SecurDisc Compilation
.nrh Nero Hybrid CD-Rom Compilation
.nbt Nero BackItUp Template

The .nef file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .nef extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .nef file extension wrong?

In our database, we came across the following similar extensions:

.nfe Nikon Capture Fisheye Lens Data
.nsf Lotus Notes Data
.nec NEC Antenna Data
.hef Efficient PIM v1 Data
.enf MicroEMACS Database Data
.nf The Bro NetFlow Data

The .nef extension is frequently misused

People sometimes confuse the .nef filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

nfe (1), nsf (1), nec (1), hef (1), enf (1), nf (1), nwf (1), neb (1), gef (1), bef (1)

Having trouble opening a .nef file?

If you want to open a .nef file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .nef association can trigger this error.

Windows can't open this file:

File: example.nef

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android