File extension Details of NFF, NEF, NTC, NAV, PDN, NTF, NIF, GMF, GIF

Name:	NFF
File Type:	Neutral File Format
Popularity:	3
Category:	image
File Description:	Generic 3D geometric design format; based on a "minimal scene description language," used to describe the geometry and surfaces of objects, lighting placement, and viewing angle
Open Programs:	Windows Sense8 WorldToolkit

Name:	NEF
File Type:	Nikon Raw Image File
Popularity:	3
Category:	image
File Description:	Raw photo captured by a Nikon digital camera; uncompressed format that stores data exactly as it was captured by the CCD; adjustments to settings such as exposure and white balance can be made with software once the image is saved to a computer.
Open Programs:	Mac OS Nikon View Apple Aperture, iPhoto 5 or later Adobe Photoshop CS Windows Nikon View Adobe Photoshop CS ACDSee Photo Manager

Name:	NTC
File Type:	Nikon Capture Custom Curves
Popularity:	3
Category:	image
File Description:	Stores color modifications that can be applied to photos and other images using Nikon Capture
Open Programs:	Mac OS Nikon Capture Windows Nikon Capture

Name:	NAV
File Type:	MSN Application Extension   (Most common)
Popularity:	3
Category:	image
File Description:	Adds additional functionality and file support to MSN application programs
Open Programs:	Windows Used by MSN programs Should not be opened manually

Name:	PDN
File Type:	Paint.NET Image File
Popularity:	3
Category:	image
File Description:	Bitmap image format used by Paint.NET, a free photo-editing program for Windows; supports multiple layers, transparency, image effects, and different bit-depths; can only be opened with Paint.NET, but can be exported by Paint.NET to a more standard format.
Open Programs:	Windows Paint.NET

Name:	NTF
File Type:	MediaFace II CD Label
Popularity:	3
Category:	image
File Description:	Printable CD label created by NEATO MediaFace II label creation software
Open Programs:	Windows NEATO MediaFace II

Name:	NIF
File Type:	Gamebryo Image
Popularity:	3
Category:	image
File Description:	3D image format used by Gamebryo game development software
Open Programs:	Windows Emergent Game Technologies Gamebryo

Name:	GMF
File Type:	Geology Multi-File
Popularity:	3
Category:	image
File Description:	Image format used by geology software; allows individual geologic surfaces to be defined by a set of x,y,z coordinates; formatting is similar to a CGM file
Open Programs:	Windows ESRI ArcView or ArcGIS

Name:	GIF
File Type:	Graphical Interchange Format File
Popularity:	5
Category:	image
File Description:	Image file that may contain up to 256 indexed colors; color palette may be a predefined set of colors or may be adapted to the colors in the image; lossless format, meaning the clarity of the image is not compromised with GIF compression. GIFs are common format for Web graphics, especially small images and images that contain text, such as navigation buttons; however, JPEG (.JPG) images are better for showing photos because they are not limited in the number of colors they can display. GIF images can also be animated and saved as "animated GIFs," which are often used to display basic animations on websites; they may also include transparent pixels, which allow them to blend with different color backgrounds; however, pixels in a GIF image must be either fully transparent or fully opaque, so the transparency cannot be faded like a .PNG image. View the GIF definition.
Open Programs:	Mac OS Apple Preview or Safari Adobe Photoshop Adobe Photoshop Elements for Mac The Logo Creator Nuance OmniPage Pro X Roxio Toast Other picture viewer or Web browser Windows Microsoft Windows Photo Gallery Viewer Adobe Photoshop Adobe Photoshop Elements Corel Paint Shop Pro The Logo Creator ACDSee Photo Manager Nuance PaperPort Nuance OmniPage Professional Roxio Easy Media Creator Other picture viewer or Web browser Linux The GIMP

Name:	GKS
File Type:	Graphics Kernel System
Popularity:	3
Category:	image
File Description:	Format used to display 2D and 3D graphical data; used by the U.S. Geological Survey
Open Programs:	Windows MODPATH or GFLASH with the NCAR GKS Package