Windows and Macintosh operating systems support for NEF and NRW (RAW) files

To begin, check your computer operating system and service pack (Windows) are up to date.

Windows OS
To display Nikon NEF or NRW image files within Microsoft Windows, Internet Explorer, Windows Photo Viewer, Windows Live Photo Gallery, or Windows Photo Gallery it is necessary to first install the NEF Codec or NRW Codec from Nikon. The Codec will decode the file to allow the operating system to display and view the image as easily as JPEG or TIFF files.

For additional Codec requirements, product information and restrictions please click on the links below:
NEF Codec download
NRW Codec download

Macintosh OS
Macintosh operating systems includes support for RAW images taken by many Nikon cameras. You can use RAW format images on Mac OS with Photos and Preview.

Macintosh support for RAW files OS X 10.12 OS X 10.11, OS X 10.10, OS X 10.9, OS X 10.8OS X 10.7

If you require more functionality than the basic image display and editing features provided by your operating system, please install Nikon software from the Download Centre.

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