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0 .N - Neko Bytecode Format Nicolas Cannasse
1 .N-GAGE - Nokia N-Gage Application Format Nokia
2 .N2 - Nitrous Minecraft GLSL Shader Format Nitrous
3 .N2KM - Headshape Modding 3D Tool For 3D Studio Max Modding zsword
4 .N3D - Nuclear Studio 3D Model Format Nuclear Glory
5 .N3PMESH - Knight Online 3D Mesh Format K2 Network
6 .N64 - Nintendo 64 Emulation ROM Image Format N/A
7 .N81 - Apple IOS Kernel Cache Apple, Inc.
8 .N88 - Apple IOS Kernel Cache Apple, Inc.
9 .N90 - Apple IOS Kernel Cache Apple, Inc.
10 .N90AP - IPhone Jailbreak Firmware Apple, Inc.
11 .N92 - Apple IOS Firmware Apple, Inc.
12 .NA2 - Seamonkey Address Book Format Mozilla
13 .NAB - Netscape Communicator Addressbook AOL Inc.
14 .NACL - NameCleaner Sig Software
15 .NAF - TRAKTOR Service Native Instruments, Inc.
16 .NAL - System Management Server Network Abstraction Layer Microsoft Corporation
17 .NAM - DMAP Spreadsheet Format Alan Morton
18 .NAP - NAPLPS Vector Image Metafile N/A
19 .NAPR - NameCleaner Preference Sig Software
20 .NARC - Nintendo DS Archive Format Nintendo
21 .NARRATIVE - Mariner Software Narrator Audio Document Mariner Software, Inc.
22 .NAS - Nasal Script N/A
23 .NAV - Counter-Strike Source CBot Navigation Mesh Format Valve
24 .NAV2 - WinAVI Temporary Navigation Format ZJMedia
25 .NAVMAP - ESRI Data Esri
26 .NAZ - Total Overdose Game Data Format Deadline Games
27 .NB - Mathematica Notebook Format Wolfram Research
28 .NB0 - Google Android Compiled ROM Format N/A
29 .NB2 - Newsbin Unfinished Download DJI Interprises, LLC
30 .NB7 - NovaBACKUP Output Data Backup Format NovaStor
31 .NBA - Nero BackItUp Archive Format Nero
32 .NBAK - Neat Backup The Neat Company
33 .NBC - Next Byte Codes Source Code Format NBC
34 .NBD - PC Backup Pro Backup Format NovaStor
35 .NBE - Nessus Scan Result Format Tenable Network Security
36 .NBF - Backup NOW! Backup Archive Format NTI Corporation
37 .NBFC - Nintendo DS Nitro Basic File Character N/A
38 .NBFP - Nintedo DS Nitro Basic File Palette N/A
39 .NBFS - Nintendo DS Nitro Basic File Screen N/A
40 .NBH - HTC ROM Update Utility ROM Image Format N/A
41 .NBI - Nero BackItUp Backup Format Nero
42 .NBIN - Compiled NASL Script Tenable Network Security
43 .NBK - NovaBACKUP Script Format NovaStor
44 .NBL - Phantasy Star Universe Sega Corporation
45 .NBM - NetBeans Module Format Oracle
46 .NBP - Mathematica Notebook Format Wolfram Research
47 .NBR - Saved Benchmark Result Novawave, inc
48 .NBS - NTI Backup Now Format Based Backup Set Format David Norgren
49 .NBT - Minecraft Named Binary Tag Format Mojang
50 .NBU - Nokia PC Suite 6.82+ Backup Format Nokia
51 .NBZ - ArcSoft Total Media Backup & Record Backup ArcSoft, Inc.
52 .NC - Unidata Network Common Data Form Format CNC Software
53 .NC1 - Xsteel CAD N/A
54 .NC2 - NewsLeecher Cache newsleecher.com
55 .NC? - FlashGet Download Manager Incomplete Download Trend Media Corporation Limited
56 .NCA - Nikon Capture Color Adjustment Nikon Corporation
57 .NCB - Microsoft Developer Studio Non-compiled Browse Format Microsoft
58 .NCC - CNC (Computer Numeric Control) Control File (CamView 3D) N/A
59 .NCD - NTI CD-Maker Disk Image N/A
60 .NCER - Nintendo DS Nitro Cell Resource N/A
61 .NCF - Steam Client Game Configuration Format Valve
62 .NCFG - ArcGIS Explorer Configuration Format ESRI
63 .NCGR - Nintendo DS Title Graphics Format Nintendo
64 .NCH - Microsoft Outlook Express Email Tree Microsoft
65 .NCI - Mastercam Toolpath CNC Software, Inc.
66 .NCLK - HTML Formatted Text N/A
67 .NCLR - Nintendo DS Color Palette Format Nintendo
68 .NCO - Nero BackItUp Compressed Backup Format Nero
69 .NCOMP - SAM Dirichlet Mixture Prior Library Richard Hughey - Kevin Karplus - Anders Krogh
70 .NCOR - Adobe Encore Project Format Adobe Systems
71 .NCORX - Adobe Encore Project Format Adobe Systems
72 .NCP - NHL Ice Hockey 2002 User NHLcards EA Sports
73 .NCR - NCR Image Image Format N/A
74 .NCS - Bioware Aurora / Obsidian Electron Compiled Script BioWare
75 .NCSS - NCSS Data NCSS
76 .NCT - CoverDesigner Template Nero
77 .NCV - Nikon Capture Curves Nikon Corporation
78 .NCW - Nero CoverDesigner Picture Template Format Nero
79 .NCX - Navigation Control File For XML IDPF
80 .NCZ - Netcad Drawing Netcad
81 .ND - QuickBooks Network Data Format Intuit
82 .ND5 - Nintendo DS Game ROM Format N/A
83 .NDA - Nero BackItUp Drive Image Nero AG
84 .NDB - ClamAV Extended Signature Format Sourcefire
85 .NDC - IBM Personal Communications Settings Format IBM
86 .NDD - Nikon Capture Digital DEE Nikon Corporation
87 .NDF - Microsoft SQL Server Secondary Data Format Microsoft
88 .NDIF - Apple NDIF Disk Image Format Apple
89 .NDK - Lotus Notes Database Design Elements IBM
90 .NDL - Lotus Notes Data Format IBM
91 .NDM - Enemy Territory Quake Wars Demo Activision
92 .NDO - Nendo IZware LLC
93 .NDOC - Naver Word NHN
94 .NDOTS - Ribbons Ndots M.Carson
95 .NDP - Nick-O-Matic Design Factory Project Brøderbund Software, Inc.
96 .NDR - RightFax Executable Open Text Corporation
97 .NDS - Nintendo DS Game ROM Image Format N/A
98 .NDT - NEPLAN External Program Import Or Export NEPLAN
99 .NDU - Symbian Phone Backup N/A
100 .NDV - ENVI N-D Visualizer State Exelis Visual Information Solutions
101 .NDW - Allplan Drawing Nemetschek AG
102 .NDX - DBase Index Format N/A
103 .NE0 - NetBSD Config NetBSD Foundation, Inc.
104 .NE1 - OM2 OMALI NENA Version 1 Document OM2 Technology Inc.
105 .NE3 - OM2 OMALI NENA Document OM2 Technology Inc.
106 .NED - OMNet++ Network Description Format OMNeT++ Community
107 .NEF - Nikon Digital SLR Camera RAW Image Format Nikon
108 .NEKO - Neko Source Code Format Nicolas Cannasse
109 .NEN - Nick-O-Matic Design Factory Project Brøderbund Software, Inc.
110 .NEO - Atari NeoChrome Bitmap Image Atari
111 .NEOSAVE - Neopets Puzzle Adventure Saved Game Neopets, Inc.
112 .NEPPRJ - NEPLAN Project NEPLAN
113 .NES - Nintendo Entertainment System ROM Image N/A
114 .NESSUS - Nessus Network Security Scanner Format Tenable Network Security
115 .NET - Network Configuration Format IBM
116 .NETA - Netica Bayesian Network Binary Format Norsys
117 .NETBOOT - Unix Netboot Script The Open Group
118 .NETKIT - Gnome Desktop The GNOME Project
119 .NETRC - .netrc TCP/IP Settings IBM
120 .NETSH - Netsh File Extension Microsoft Corporation
121 .NETSPD - NetSpot Survey Project Format NetSpot Team. Etwok
122 .NETSPM - NetSpot Map Format NetSpot Team. Etwok
123 .NETWORKCONNECT - Apple Network Connect Document Apple
124 .NEU - Pro/Engineer Neutral Format Parametric Technology
125 .NEULICENSE - Neu License Elegant Chaos
126 .NEW - Ameco Embroidery Format N/A
127 .NEWSLOC - Apple Mac OS X Finder News Internet Location Apple, Inc.
128 .NEX - Neuroexplorer Neurological Data N/A
129 .NEXE - Google Chrome Native Client Executable Format Google
130 .NEZ - NES ROM Emulator Image N/A
131 .NFB - Nokia PC Suite Phone Backup Format Nokia
132 .NFC - Nokia PC Suite Phone Backup Format Nokia
133 .NFF - Haines Neutral File Format Autodesk
134 .NFG - NewsBin Configuration DJI Interprises, LLC
135 .NFI - Dreambox Disc Image Format Dream Multimedia
136 .NFL - AutoCAD Multiline Filter List Autodesk, Inc.
137 .NFM - Delphi .NET Form Format Embarcadero Technologies
138 .NFO - Information Readme Text Format THG
139 .NFP - Archive N/A
140 .NFS - Network Format System Temporary Format N/A
141 .NFS11SAVE - Need For Speed: Hot Pursuit 2010 Configuration Format Electronic Arts
142 .NFS13SAVE - Need For Speed: Most Wanted Saved Game Electronic Arts, Inc.
143 .NFT - NetObjects Fusion System NetObjects Inc.
144 .NFTR - Nintendo DS Font Type Format N/A
145 .NFX - NetObjects Fusion Components Bbscomp NetObjects Inc.
146 .NGAGE - Nokia N-Gage Game Format Nokia
147 .NGC - Xilinx Integrated Software Environment Generated Format Xilinx
148 .NGD - NimbleGen Gene Description Format Roche NimbleGen, Inc.
149 .NGG - Nokia Group Graphics Image Format N/A
150 .NGH - Neighbours From Hell 2 Saved Game JoWooD Entertainment AG
151 .NGLOSS - Nisus Writer Pro Glossary Nisus Software, Inc.
152 .NGN - Fly! Engine Specification Terminal Reality
153 .NGO - Nick-O-Matic Design Factory Project Brøderbund Software, Inc.
154 .NGP - Neo Geo Pocket ROM Image Format N/A
155 .NGR - NEPLAN Graphic Data NEPLAN
156 .NGRR - GUITAR RIG Sound Native Instruments, Inc.
157 .NGS - NGSSniff Next Generation Security Software Ltd (NGS)
158 .NGT - NONI GPSPlot GIS Format Noni GPSPlot
159 .NH - NetHack Defaults Stichting Mathematisch Centrum
160 .NHA - Native Noah Format HIMSA
161 .NHB - No Hands Backup Backup Description Anders Petersson
162 .NHD - Nero AVHCD DVD Compilation Nero AG
163 .NHF - Nero HFS-CD Compilation Nero AG
164 .NHL - Nhl Ice Hockey Game 2002 User Teams EA Sports
165 .NHN - Ijji REACTOR Html Launch ijji Games LLC
166 .NHP - NOAA Hydrophone Data N/A
167 .NHS - NHibernate NHibernate Developers
168 .NHV - Nero HD-BURN-Video Compilation Nero AG
169 .NI - NetObjects Fusion Preview NetObjects Inc.
170 .NIA - Nikon Capture Image Adjustment Nikon Corporation
171 .NIB - Interface Builder User Interface Resources Apple
172 .NICK - Microsoft Outlook Nickname Format Microsoft
173 .NICNT - Native Instruments KONTAKT Library Native Instruments, Inc.
174 .NICRASH - TRAKTOR Crash Report Native Instruments, Inc.
175 .NID - Nikon Capture IPTC Data Nikon Corporation
176 .NIF - GameBryo Format Gamebase
177 .NIFF - NIFF Navy Image File Format N/A
178 .NIL - Norton Icon Library Symantec Corporation
179 .NIM - Nimrod Source Code Format Nimrod Software Foundation
180 .NIP - Microsoft DRM (Digital Right Management) Microsoft Corporation
181 .NIST - Audio N/A
182 .NIT - ArcView INFO Table Definitions Esri
183 .NITF - National Imagery Transmission Format U.S. Department of Defense
184 .NIX - Rational XDE IBM
185 .NJB - Nikon Digital SLR Camera Image Index Format Nikon
186 .NJF - IBM Lotus Domino N/A
187 .NJI - Nero BackItUp Job Format Nero
188 .NJT - Nero BackItUp Job Template Nero AG
189 .NJX - NJStar Document Format NJStar Software
190 .NK - NUKE Script Format The Foundry
191 .NK2 - Microsoft Outlook Contacts AutoComplete Format Microsoft
192 .NKB - Kontakt Audio Bank Native Instruments
193 .NKC - Native Instruments KONTAKT Library Data Format Native Instruments
194 .NKD - Nikon ViewNX Thumbnail Cache Nikon Corporation
195 .NKI - Native Instruments Instruments Sample Format Native Instruments
196 .NKM - Native Instruments KONTAKT Format Native Instruments
197 .NKP - Kontakt Saved Presets Native Instruments
198 .NKR - KONTAKT Resource Container Native Instruments, Inc.
199 .NKS - Native Instruments Archive Format Native Instruments
200 .NKX - Native Instruments Monolith Format Native Instruments
201 .NL - Norton Desktop Icon Library Symantec Corporation
202 .NL2 - ESignal Market Depth eSignal
203 .NLANG3 - Ashampoo Internet Accelerator Language Ashampoo GmbH & Co. KG
204 .NLB - Colin McRae Rally Network Leader Boards Game Codemasters
205 .NLC - Nero Linux Compilation Nero AG
206 .NLELEM - NoLimits Rollercoaster Simulation Track Element Format Mad Data
207 .NLG - Nestopia Language Martin Freij
208 .NLK - Outlook 2003 E-mail Cookie N/A
209 .NLM - Nokia Logo File Image Format Nokia
210 .NLOGO - NetLogo Model Format NetLogo
211 .NLOGO3D - NetLogo 3D Model Format NetLogo
212 .NLPD - Navicat For SQLite Data Synchronization Profile PremiumSoft CyberTech Ltd.
213 .NLPE - Navicat For SQLite Exported Table PremiumSoft CyberTech Ltd.
214 .NLPEQ - Navicat For SQLite Export Query Result Profile PremiumSoft CyberTech Ltd.
215 .NLPEV - Navicat Export View Result Profile PremiumSoft CyberTech Ltd.
216 .NLPI - Navicat For SQLite Import Wizard Profile PremiumSoft CyberTech Ltd.
217 .NLPT - Navicat For SQLite Data Transfer Profile PremiumSoft CyberTech Ltd.
218 .NLPX - Mad Data NoLimits Game Data Format Mad Data
219 .NLR - NLREG Nonlinear Regression Control N/A
220 .NLS - Microsoft National Language Support Format Microsoft
221 .NLTRACK - NoLimits Roller Coaster Track Format Mad Data
222 .NLV - Nikon Capture LCHE Editor Nikon Corporation
223 .NM - Space Engine Nebula Model Format Space Engine
224 .NM2 - Navitel Navigator Map Format Navitel
225 .NM3 - Navitel Navigator 5.0 Map Format Navitel
226 .NM5 - NovaMind Mind Map Nova Mind Software Pty Ltd.
227 .NM7 - Navitel Navigator Map GPS Moldova
228 .NMAP - NaviComputer Map Format NaviComputer
229 .NMBD - Samba Log The Samba Team
230 .NMBTEMPLATE - Apple Numbers Spreadsheet Template Format Apple
231 .NMC - ArcGIS Explorer Map Content Format ESRI
232 .NMD - Nero MiniDVD Compilation Nero AG
233 .NMF - ArcGIS Explorer Map Format ESRI
234 .NMI - SwordSearcher StudyLamp Software LLC
235 .NMIND - NovaMind Mind Map Format NovaMind
236 .NMK - Microsoft Program Maintenance Utility Make Microsoft Corporation
237 .NML - Traktor Collection Format Native Instruments
238 .NMM - Microsoft 3D Movie Maker Video Microsoft Corporation
239 .NMO - Virtools Behavioral Objects Dassault Systèmes S.A.
240 .NMP - Neopaint Mask Image Format NeoSoft Corp.
241 .NMR - WxNUTS Histogram Acorn NMR Inc.
242 .NMS - Numega SoftICE Loader File Including Debugging Info NuMega
243 .NMSV - Native Instruments MASSIVE Audio Native Instruments, Inc.
244 .NMU - EMC Documentum Client Library Query Cache EMC Corporation
245 .NMV - Nintendulator Movie Capture Quietust
246 .NMW - Microsoft NetMeeting T126_Whiteboard Microsoft Corporation
247 .NN - Nero CD List Format Nero
248 .NNI - ANNI Neural Network Investing Format Oolution Technologies
249 .NNP - ANNI Neural Network Portfolio Format Neural Science
250 .NNR - Nikon Capture Noise Reduction Nikon Corporation
251 .NNTP - NewsWatcher Simon Fraser
252 .NNVS - NextNine VNC Player VNC Session NextNine Ltd.
253 .NNW - NeuralWare NeuralWorks NeuralWare
254 .NOB - Silver Game Data N/A
255 .NOD - NetObjects Fusion Nodes Format NetObjects
256 .NODES - PowerFolder Nodes PowerFolder
257 .NOF - NetObject Fusion 5.0 NetObjects Inc.
258 .NOINDEX - Mac OS X Spotlight Index Apple, Inc.
259 .NOKIA - Nokia Proprietary Ringtone Format Nokia Corporation
260 .NOKOGIRI - Nokogiri Source Nokogiri Team
261 .NOKTXT - Nokia Proprietary Ringtone Text Format N/A
262 .NOL - Nokia Operator Logo Image Format N/A
263 .NOMEDIA - Google Android OS System Format N/A
264 .NON - Star Wars: Tie Fighter Mouse Options LucasArts Entertainment Company, LLC
265 .NOP - Nokia Smart Shoot RAW Photo Nokia Corporation
266 .NOPD - Navicat For Oracle Data Synchronization Profile PremiumSoft CyberTech Ltd.
267 .NOPE - Navicat For Oracle Exported Table PremiumSoft CyberTech Ltd.
268 .NOPEM - Navicat For Oracle Export Materialized View Profile PremiumSoft CyberTech Ltd.
269 .NOPEQ - Navicat For Oracle Export Query Result Profile PremiumSoft CyberTech Ltd.
270 .NOPEV - Navicat For Oracle Export View Result Profile PremiumSoft CyberTech Ltd.
271 .NOPI - Navicat For Oracle Import Wizard Profile PremiumSoft CyberTech Ltd.
272 .NOPT - Navicat For Oracle Data Transfer Profile PremiumSoft CyberTech Ltd.
273 .NOR - Norwegian Localization N/A
274 .NOS - JDOS System N/A
275 .NOT - Notation Or Note Format Notation Software
276 .NOTE - Notability For IPad Note Format Ginger Labs, Inc.
277 .NOTEBOOK - SMART Notebook Format SMART Technologies
278 .NOTES - Memento Note Format Guys with Towels
279 .NOTX - E-Sword Study Rick Meyers
280 .NOT_TERMINATED - Mac OS X Audit Log Apple, Inc.
281 .NOV - NI Battery Cache Native Instruments, Inc.
282 .NOVS - Novell NetWare Control Center Novell, Inc.
283 .NOW - Visual FoxPro Documenting Wizard List N/A
284 .NOX - Wave IRIS NOx Ricardo plc.
285 .NP - Portfolio NetPublish Web Template Format N/A
286 .NPA - ReliaSoft Weibull++ ReliaSoft Corporation
287 .NPB - Navicat For MySQL Backup Profile PremiumSoft CyberTech Ltd.
288 .NPC - QuickBooks Online Banking Intuit Inc.
289 .NPD - Navicat For MySQL Data Synchronize Profile PremiumSoft CyberTech Ltd.
290 .NPDT - Mac Text N/A
291 .NPE - Navicat For MySQL Export Profile PremiumSoft CyberTech Ltd.
292 .NPEQ - Navicat For MySQL Export Query Result Profile PremiumSoft CyberTech Ltd.
293 .NPEV - Navicat For MySQL Export View Result Profile PremiumSoft CyberTech Ltd.
294 .NPF - NTI Backup Format NTI
295 .NPFX - Norton Internet Security Settings Format Symantec
296 .NPG - Magentic Download Perion Network Ltd.
297 .NPI - Navicat For MySQL Import Wizard Profile PremiumSoft CyberTech Ltd.
298 .NPJ - Navicat For MySQL Batch Job PremiumSoft CyberTech Ltd.
299 .NPK - N-Track Studio Peak n-Track
300 .NPL - Nokia Audio Format Nokia
301 .NPM - CorelDRAW 10 Draw Media Lines Corel Corporation
302 .NPN - Canvas Neon Pen ACD Systems International Inc.
303 .NPO - Nonpareil Redundancy Summary Kostas lab
304 .NPP - Art Explosion Publisher Pro Document Format Nova Development
305 .NPPD - Navicat For PostgreSQL Data Synchronization Profile PremiumSoft CyberTech Ltd.
306 .NPPE - Navicat For PostgreSQL Exported Table PremiumSoft CyberTech Ltd.
307 .NPPEQ - Navicat For PostgreSQL Export Query Result Profile PremiumSoft CyberTech Ltd.
308 .NPPEV - Navicat For PostgreSQL Export View Result Profile PremiumSoft CyberTech Ltd.
309 .NPPI - Navicat For PostgreSQL Import Wizard Profile PremiumSoft CyberTech Ltd.
310 .NPPT - Navicat For PostgreSQL Data Transfer Profile PremiumSoft CyberTech Ltd.
311 .NPR - Nuendo Format Steinberg Media Technologies
312 .NPS - NTI Backup Now Drive Based Backup Set Format NTI
313 .NPT - Navicat For MySQL Data Transfer Profile Format N/A
314 .NPV - Pixbend Player Pixbend Media Nexilogic
315 .NPW - NPassword Nikola Dachev
316 .NPX - TroublePix Licence NorPix Inc.
317 .NPZ - GameGuard Update INCA Internet Co, Ltd.
318 .NQA - NQuery Advisor Data STATCON
319 .NQC - NQC Not Quite C Source Code Format Dave Baum
320 .NQF - NOD32 Quarantine N/A
321 .NQI - NOD32 Quarantine N/A
322 .NQST - SoundEdit Adobe Systems Incorporated
323 .NR-VMP - BrainVoyager QX Native Resolution Volume Map Rainer Goebel
324 .NR3 - Nero CD-ROM (MP3) Compilation Nero AG
325 .NR4 - Nero CD-ROM (AAC) Compilation Nero AG
326 .NRA - Nero Audio-CD Compilation Format Nero
327 .NRB - Nero CD-ROM Boot Compilation Format Nero
328 .NRBAK - Neat Backup The Neat Company
329 .NRC - Nero UDF/ISO CD-ROM Compilation Nero
330 .NRD - Nero DVD-Video Compilation Format Nero
331 .NRE - Nero CD EXTRA Compilation Nero AG
332 .NRF - IBM Domino Notes Redirection IBM
333 .NRG - Nero-Burning ROM CD Or DVD Image Format Nero
334 .NRH - Nero Hybrid CD-ROM Compilation Nero AG
335 .NRI - Nero CD-ROM (ISO) Compilation Format Nero
336 .NRJ - Nero JukeBox Compilation N/A
337 .NRL - Autonomy Interwoven Link Format Autonomy Interwoven
338 .NRM - Nero Mixed-Mode-CD Compilation Format Nero
339 .NRMLIB - Neat Document Library The Neat Company
340 .NRP - ASP.NET Report Maker Report e.World Technology Limited
341 .NRS - Nero CD-ROM Boot EFI Compilation Format Nero AG
342 .NRT - Nokia Ringtone Format Nokia
343 .NRU - Nero UDF CD-ROM Compilation Format Nero
344 .NRV - Nero Video-CD Compilation Nero AG
345 .NRW - Nikon RAW Image Format Nikon
346 .NRX - NeatReceipts SCANALIZER Expense Report The Neat Company
347 .NS - NSwin Project Procedimientos-Uno, S.L.
348 .NS1 - NetStumbler NS1 Log Marius Milner
349 .NS2 - Lotus Notes Database Format IBM
350 .NS3 - Lotus Notes Database Format IBM
351 .NS4 - Lotus Notes Database Format IBM
352 .NSA - Nullsoft Winamp Streaming Audio Format Nullsoft
353 .NSBCA - Nintendo DS Model Animation Format N/A
354 .NSBMD - Nintendo DS Game 3D Model Format N/A
355 .NSBTA - Nintendo DS Texture Animation Format N/A
356 .NSBTX - Nintendo DS Model Texture Format N/A
357 .NSC - Windows Media Station Microsoft Corporation
358 .NSCR - Nintendo DS Title Screen Format Nintendo
359 .NSD - Norton System Doctor Sensor Configuration Symantec Corporation
360 .NSE - Nmap Security Scanner Scripting Engine N/A
361 .NSF - Lotus Notes Database Format IBM
362 .NSFE - Nintendo NES Audio File With Enhanced Tags N/A
363 .NSG - Lotus Notes Database IBM
364 .NSH - Lotus Notes Database Format Nullsoft
365 .NSI - Symantec Shared Format Nullsoft
366 .NSLLOC - Apple Mac OS X Finder NSL Internet Location Apple, Inc.
367 .NSPD - Navicat For SQL Server Data Synchronization Profile PremiumSoft CyberTech Ltd.
368 .NSPE - Navicat For SQL Server Exported Table PremiumSoft CyberTech Ltd.
369 .NSPEQ - Navicat For SQL Server Export Query Result Profile PremiumSoft CyberTech Ltd.
370 .NSPEV - Navicat For SQL Server Export View Result Profile PremiumSoft CyberTech Ltd.
371 .NSPI - Navicat For SQL Server Import Wizard Profile PremiumSoft CyberTech Ltd.
372 .NSPL - Netscape Navigator Plugin AOL Inc.
373 .NSPT - Navicat For SQL Server Data Transfer Profile PremiumSoft CyberTech Ltd.
374 .NSQ - NScheduler Qlikview Schedule Format Syntes
375 .NSR - Nessus Project Format Tenable Network Security
376 .NSS - Magentic Screensaver Format IncrediMail
377 .NST - NoiseTracker Music Module N/A
378 .NSU - NVIDIA NTune Command System Profile Settings NVIDIA Corporation
379 .NSV - Nullsoft Winamp Video Format Nullsoft
380 .NSX - Apollo Server Database Index Vista Software
381 .NSZ - Benchmark Data File Used By NVidia NTune Tool NVIDIA Corporation
382 .NT - Windows NT Command Script Format Microsoft
383 .NT7 - Orchida Knitting System Pattern Orchida Soft
384 .NTC - Nikon Camera Control Pro Custom Curves Format Nikon
385 .NTD - NinjaTrader NinjaTrader, LLC
386 .NTF - Lotus Notes Database Template Format IBM
387 .NTFP - Nintendo DS Nitro File Palette N/A
388 .NTFS - NTFS Partition Format N/A
389 .NTH - Nokia Series 40 And 60 Theme Format Nokia
390 .NTJ - Junction Box Backup IWR Computer Consultancy
391 .NTL - Diablo 2 Mod D2NT Script N/A
392 .NTM - Navitel Map GPS Moldova
393 .NTN - NOTION Song Format N/A
394 .NTP - MediaFACE CD Label NEATO
395 .NTRK - Pacific Fighters Track Format Ubisoft Entertainment
396 .NTS - Lotus Notes Traveler Server Config Format IBM
397 .NTT - MediaFACE Template NEATO
398 .NTV - PatternSmith Import Autometrix
399 .NTW - Noteworthy Composer Song Noteworthy Software, Inc.
400 .NTX - Clipper Database Index Format N/A
401 .NTZ - InVircible Antivirus Directory Integrity Information NetZ Computing
402 .NU4 - Norton Utilities DLL Root Symantec Corporation
403 .NUB - Xerox FreeFlow NUB Init XEROX CORPORATION
404 .NUC - PAML Data Ziheng Yang
405 .NUD - Now Up-To-Date Calendar Data N/A
406 .NUF - Procomm Plus New User Message Symantec Corporation
407 .NUGET - NuGet Package Outercurve Foundation
408 .NUGG - SAP Generated Nugg SAP AG
409 .NUM - Diction Diction Software
410 .NUMBERS - Apple Numbers Spreadsheet Format Apple
411 .NUMBERS-TEF - Apple Numbers ICloud Spreadsheet Format Apple
412 .NUP - ESET Nod32 Antivirus Update Format ESET
413 .NUPKG - NuGet Source Code Package Format NuGet
414 .NUSPEC - NuGet Settings Format NuGet
415 .NUT - NUT Open Container Format N/A
416 .NUV - MythTV NuppelVideo Video Format N/A
417 .NV - MAME NVRAM Format The MAME Team
418 .NV2 - NewViews 2 Accounting Data Format Q.W. Page Associates
419 .NVAVI - Split AVI Audio Video Interchange Format Nero AG
420 .NVC - Nero Vision Express Project Format Nero
421 .NVD - Navidoc Savannah
422 .NVDL - NVDL Script International Standards Organization
423 .NVF - Creative Labs Nomad Voice Format Creative Labs
424 .NVI - NVidia Graphics Card Driver Settings Format NVIDIA
425 .NVJ - Net Vampire Job Afreet Software Inc.
426 .NVL - UniChem Results Format N/A
427 .NVM - PlayStation 2 BIOS Configuration Format N/A
428 .NVP - Net Vampire Job Afreet Software Inc.
429 .NVR - NeverForget National Creative Registry, Inc.
430 .NVRAM - VMware VM BIOS State Format VMware
431 .NVSG - NVIDIA SceniX Scene Management Engine Format NVIDIA Corporation
432 .NVT - NeuraLynx Video Tracker N/A
433 .NVX - NvStructural Extension Novel CAE Solutions
434 .NVZ - Novelty Actor visualnovelty.com
435 .NW3 - Novell Netware.3x Novell, Inc.
436 .NW4 - Netware.4x Novell, Inc.
437 .NWA - Natural Windows Animation Stardock Corporation
438 .NWB - Nikon Capture White Balance Nikon Corporation
439 .NWBAK - Neat Backup The Neat Company
440 .NWC - Noteworthy Composer Song Format NoteWorthy
441 .NWCAB - Neat Software Cabinet The Neat Company
442 .NWCP - Nisus Writer Pro Clipboard Document Nisus Software, Inc.
443 .NWCTXT - NoteWorthy Composer Text Format NoteWorthy
444 .NWD - NavisWorks Snapshot Format Autodesk
445 .NWDB - NeatReceipts Database The Neat Company
446 .NWELICENSE - Nisus Writer Pro License Nisus Software, Inc.
447 .NWF - NavisWorks Project Format Autodesk
448 .NWM - Sony NWM Display Screen Format N/A
449 .NWN - Bioware Aurora Engine Module BioWare
450 .NWP - Noteworthy Player Format Type Noteworthy Software, Inc.
451 .NWS - Microsoft Outlook Express News Message Format Microsoft
452 .NWUT - NetWare Tools Novell, Inc.
453 .NWV - Dragon NaturallySpeaking User Archive Format Nuance
454 .NWX - Outlaws Choreography LucasArts Entertainment Company, LLC
455 .NW_ - Noteworthy Composer Compressed Noteworthy Software, Inc.
456 .NX1 - NexusDB Database NexusDB Pty Ltd.
457 .NX2 - NexusDB Database NexusDB Pty Ltd.
458 .NXB - Nexus Race Software Raw Data Nexus Marine AB
459 .NXC - NXC Not EXactly C Source Code Format John Hansen
460 .NXD - NdxCards Index Card Project TruTamil LLC
461 .NXG - ESite Builder NXG Web Page Format Motorola
462 .NXN - Avid Interplay Permanent License Avid Technology, Inc.
463 .NXT - NeXT Sound Next, Inc.
464 .NX^D - WriteNow 2 Document Apple, Inc.
465 .NY - Nyquist Plug-in Format Nyquist
466 .NYF - MyBase Database Format Wjj Software
467 .NZ - NanoZip Compressed Archive Sami Runsas
468 .NZB - Newzbin Download Pointer Format NewzBin.com
469 .NZL - Corel Painter Nozzle Corel Corporation
470 .NZN - RMCProfile List N/A