N, FILE EXTENSIONS STARTING FROM LETTER - 'N'

N
Ext.	Description	Used by
NAM	Name Space Modules	Novell NetWare
NAP	Naplps file (VideoShow)	EnerGraphics
NAPLPS	North American Presentation Layer Protocol Syntax
NB	Text file	Nota Bene
NB	Wolfram Mathematica Notebook	Mathematica
NBF	Nokia Backup File	Nokia Mobile Phones
NC	Binary Data	netCDF software package
NC	Instructions for NC (Numerical Control) machine	CAMS
NC	Non-error checking preprosessed Goc source code	Geoworks
NCC	CNC (Computer Numeric Control) control file	CamView 3D
NCD	Norton Change Directory support file	Norton Commander
NCP	Re-volt Collision file	Re-volt
NDB	Network database	Intellicom - Compex
NDS	Nintendo DS ROM file used for Homebrew and commercial (Game) files on DS
NDL	Nodelist file
NDX	Index file	dBASE II - III - IV - dBFast
NEO	Raster graphics file	Atari Neochrome
NES	iNES ROM image format
NET	Network configuration/info file
NEU	Pro/Engineer neutral file format	PTC Pro/Engineer
netCDF	Network Common Data Format
NEW	New info
NFF	Haines Neutral File Format
NFF	WorldToolKit Neutral File Format
NFO	Folioview database
NFO	Help format	Nextpage Folio
NFO	Info file	Compact NFO Viewer
NG	Hypertext Database	Norton Guide
NGO	NG linker object file	NGML
NGS	NG compiler source file	NGC
;
NIF	netimmerse/gamebyro file
NIL	NIL	Icon Hear-It
NITF	National Imagery Transmission Format
NK2	e-mail address autocomplete archive	Microsoft Office Outlook
NL	Norton Desktop Icon Library
NLM	Netware loadable module	Novell Netware
NLS	National Language Support file	MS-DOS
NLX	Form	FormWorx 3.0
nmf	Node Map File	Used by SpicyNodes
nnn	Arj archive volumes up to 999	ARJ
nnn	Netware unicode rule table (e.g. 1250_Uni.036)	Novell Netware
nnn	News about smth with ext. of ver. number
nnn	RAR archive volumes up to 999	RAR
NOT	Notation
NOT	Yard Notes File	FYM
NP	Project schedule (Nokia Planner)	Nokia Planner
NPI	Source for DGEN.EXE interpreter	dBASE Application Generator
NPJ	Nile Project	Game Mission Editor
NRG	Nero Disc Image File	Nero Express / Burning ROM
NRW	Nikon Coolpix RAW image	Nikon
NSA	media	Nullsoft Streaming Audio
NSF	database	Lotus Notes
NSF	Music module	NES Sound File
NSS	Norton screensaver module	NC - NDW Screen Saver
NST	Music module	Amiga Noise Tracker
NSV	media	Nullsoft Streaming Video
NSX	Compound index file	SuccessWare SIX 3.00
NT	Startup files	Windows NT
NTF	database design template	Lotus Notes
NTH	Nokia Theme File	Nokia PC Suite
NTR	Executable ASCII text file (strip header and rename)	netrun31.zip
NTS	Executable ASCII text file (strip header and rename)	netsend1.zip
NTS	Tutorial	Norton
NTX	Database index file	Clipper 5
NUF	Message for new users on their 1st call	Procomm Plus
NUMBERS	Numbers spreadsheet file	Numbers (Apple iWork '08)
NV	NewViews DOS accounting database	QW Page NewViews
NV2	NewViews accounting database	QW Page NewViews
NWS	Info text file (latest news) (ASCII)
NXT	Sound (NeXT format)