Collector: Nosa Lee
Original Address: https://www.seeksunslowly.com/file-extensions-types-references-n
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_____________________________________

Now, I collected all the known file extensions/types for your reference, I grouped them according to the first character due to there are too many file extensions/types.

The following file extensions/types are grouped as N*, to refer to more file extensions/types or download them (a compressed txt file that separates the extension and description with ” : “), please click the following links.

A B C D E F G H I J K L M N

O P Q R S T U V W X Y Z
Number  Symbol

Download All File Types/Extensions in ONE Compressed File

N   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
N   Neko Bytecode (Motion-Twin)
N   Nuke Randomic Life Generator
N1   Nuke Randomic Life Generator
N1E   OM2 OMALI NENA Encrypted Document Version 1
N2E   OM2 OMALI NENA Encrypted Document Version 2
N2P   Net2Phone File
N3   Notation 3 Document
N3D2   The Nebula Device 2 Mesh Resource File in ASCII Format (RadonLabs GmbH)
N3E   OM2 OMALI NENA Encrypted Document Version 3
N4E   OM2 OMALI NENA Encrypted Document Version 4
N64   MiMiX Emulator
N64   Nintento 64 Emulation ROM Image
NA   NoAdware Data File (NoAdware.net)
NA2   Netscape Communicator Address Book
NAB   Netscape Communicator Address Book
NAB   Novell Groupwise Address Book (Novell, Inc.)
NACHTMUSIK   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAD   Noder File
NAF   Compressed Archive
NAI   WinINSTALL File
NAIL   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAK   Audio
NAL   ArrayScribe (NimbleGen Systems Inc.)
NAL   ZENworks Suite Network Delivered Application Shortcut (Novell, Inc.)
NAL   Systems Management Server (SMS) Network Abstraction Layer (Microsoft Corporation)
NAM   Office Name File
NAME   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAMEONCLIPBOARD   NAMEONCLIPBOARD Powertoy File
NAMES   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAN   Nanoscope File
NAP   Napster Music Security Definition File
NAP   EnerGraphics VideoShow File
NAP   NAP Metafile Vector Image
NAP   ePolicy Orchestrator Network Associates Package (Policy File) (Network Associates Technology, Inc.)
NAP   Electrical Network Analysis and Planification
NAP   VideoShow/EnerGraphics NAPLPS Vector Image Metafile
NAPLPS   North American Presentation Layer Protocol Syntax = Vector image
NAR   Nikon Capture Advanced RAW File (Nikon Inc.)
NAR   .NET Archive
NARC   Nintendo ARChive (Nintendo)
NAS   NASTRAN File
NAS   Nasal Script (Andy Ross)
NASB   TheWord & Bible Companion New American Standard Bible
NASL   Nessus Attack Scripting Language Key File (Tenable Network Security)
NAV   Counter-Strike: Source CSBot Navigation Mesh (Valve Corporation)
NAV   Navigator Desktop File (Tecepe)
NAV   Microsoft Network Component (Microsoft Corporation)
NAV   MSN Application Extension
NAV   Application Extension (Microsoft Corporation)
NAVGTR   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAY   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NAZ   EMC Navisphere Management Suite Performance Log (EMC Corporation)
NB   Mathematica Notebook (Wolfram Research, Inc.)
NB   Nota Bene Document File (Nota Bene Associates, Inc.)
NB   WordPerfect Notebook (Corel Corporation)
NB0   Microsoft Device Emulator OS image (Microsoft Corporation)
NB7   NovaBACKUP System Configuration File (NovaStor Corporation)
NBA   NBA Game Data
NBA   Nota Bene Configuration Information File (Nota Bene Associates, Inc.)
NBATTRS   NetBeans Project Attributes File (Collab.Net, Inc.)
NBE   nBill Extension (Netshine Software Limited)
NBE   Nessus File
NBF   Backup NOW! Backup Archive (NewTech Infosystems)
NBF   NVIDIA Scene Graphic (NVIDIA Corporation)
NBG   NBG Clean Registry File
NBI   BackItUp (v1.x) Document (Nero AG)
NBK   i-Brarian
NBK   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NBK   NovaBACKUP Script (NovaStor Corporation)
NBM   Guy’s Power Albums Archive
NBM   NetBeans Module (Sun)
NBP   Mathematica Player Notebook File (Wolfram Research, Inc.)
NBP   Western Digital Backup File (Western Digital Corporation)
NBP   NeoBook Plug-in (NeoSoft Corp.)
NBP   NetBiter webSCADA Firmware Patch (Intellicom Innovation AB)
NBR   NovaBench NovaBench (Novaware)
NBU   NetBiter webSCADA Firmware Update (Intellicom Innovation AB)
NBU   Nokia PC Suite Content Copier (Backup) File (Nokia)
NC   Preprosessed GOC Source
NC   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NC   Geopath Machine Part File (SolutionWare Corporation)
NC   Numerical Control Machine Instructions
NC   neatComponents
NC   Mastercam NC Programs (CNC Software, Inc.)
NC   Graphics File
NC   X-editor Program for CNC Machines (X-net ApS)
NC   NetCDF Network Common Data Form (Unidata)
NCA   Nikon Capture Color Adjustment File (Nikon Inc.)
NCA   NetCam Supervisor Archive
NCB   Developer Studio File (Microsoft Corporation)
NCB   Nikon Capture Color Booster File (Nikon Inc.)
NCB   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NCC   NetControl V1 1999
NCC   Nokia PC Suite Content Copier File (Nokia)
NCC   NetCam Supervisor Directory
NCC   Computer Numeric Control File
NCC   Nikon Capture Camera File (Nikon Inc.)
NCD   CoverDesigner CD Cover Picture (Nero)
NCD   Norton Change Directory
NCD   NTI CD-Maker File
NCD   Xilinx Integrated Software Environment Native Circuit Description (Xilinx, Inc.)
NCE   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NCF   Netware Command File (Novell, Inc.)
NCF   GibbsCAM CNC Program Listing (Gibbs and Associates, Inc.)
NCF   Steam Game Configuration File (Valve Corporation)
NCF   Systems Management Server (SMS) Network Configuration File (Microsoft Corporation)
NCF   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NCF   Notes Internal Clipboard (IBM)
NCH   Outlook Express Folder File (Microsoft Corporation)
NCH   On Hold Message/Music File
NCI   Mastercam Toolpath File (CNC Software, Inc.)
NCI   NetCam Supervisor Meta Data
NCL   RHS Nibbles Custom Level (Redwood High School)
NCM   NetCam Supervisor Video
NCM   Communicator Configuration Message (Nokia)
NCO   Nero BackItUp Compressed Backup File (Nero AG)
NCP   NHL Ice Hockey 2002 User NHLcards File
NCR   NCR Image
NCS   Netscape Conference Call File
NCS   Star Wars: Knights of the Old Republic (KotOR) Compiled Script (BioWare/Pandemic Studios)
NCSA   NCSA Hierarchical Data File Bitmap
NCT   Nero Cover Designer Template (Nero AG)
NCV   Nikon Capture Curves File (Nikon Inc.)
NCX   SecurDataStor Secure Archive (encryptX Corporation)
NDA   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NDA   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDAS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NDB   Intellicom Network Database
NDB   NEPLAN Loads (Node Data) and Feeders File (BCP Busarello + Cott + Partner Inc.)
NDB   ACT! Notes Data File (Best Software CRM Division)
NDB   ProWORX Nxt Short Comment (Schneider Electric)
NDB   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDB   NetOp Various Information Files
NDB   SeeYou Waypoint (Naviter)
NDC   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDCT   DALiM LiTHO Continuous Tone Bitmap (Blanchard Systems Inc.)
NDD   Nikon Capture Digital DEE File (Nikon Inc.)
NDF   NimbleScan NimbleGen Design File (NimbleGen Systems Inc.)
NDF   NeoPlanet Browser File
NDF   Channel Data File
NDF   ProWORX Nxt Short Comment (Schneider Electric)
NDF   SQL Server Secondary Data File (Microsoft Corporation)
NDG   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDK   OS/2 Saved Disk Format (IBM)
NDK   Notes Database Design Elements (IBM)
NDL   Inmos Hardware Network Description File
NDL   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDL   Nodelist File
NDL   Notes Link (IBM)
NDM   Enemy Territory: Quake Wars Demo (Activision, Inc.)
NDO   3D Low-polygon Modeler
NDP   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDQ   Totem Cash Data File
NDR   Nikon Capture Image Dust Off File (Nikon Inc.)
NDR   RAVE Reports Report File (Nevrona Designs)
NDS   Indiana Jones and the Infernal Machine Saved Game (Lucasfilm Entertainment Company Ltd.)
NDS   Nintendo DS Game ROM Image (Nintendo)
NDS   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NDT   NEPLAN External Program Import/Export File (BCP Busarello + Cott + Partner Inc.)
NDW   Allplan Drawing File (Nemetschek A.G.)
NDX   Rational XDE (IBM)
NDX   WINDEV Index (PC SOFT)
NDX   Index
NDX   ArcView Fonts Index File (ESRI)
NDX   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NE1   OM2 OMALI NENA Document Version 1
NE2   OM2 OMALI NENA Document Version 2
NE3   OM2 OMALI NENA Document Version 3
NE4   OM2 OMALI NENA Document Version 4
NEB   Nortec H.E.L.P.
NEBULA   Homeworld Nebula Data (Sierra Entertainment, Inc.)
NEBULOS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEC   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEC   NEC JIS Encoded File
NEC   PIMS Notes for Windows CE Audio Record File (Nacetech Co., Ltd.)
NED   MSN Application Extension
NED   OMNeT++/OMNEST Network Description File (Andr醩 Varga)
NEEDS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEF   Nikon Digital SLR Camera Raw Image File (Nikon Inc.)
NEGPOS   ColorNeg Film Description File (CF Systems)
NEN   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NEO   Atari NeoChrome Bitmap Image (Atari)
NEO   NeoPhoto NeoPhoto Album (Archive) (DTLink)
NEO40SFONT   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEPPRJ   NEPLAN Project File (BCP Busarello + Cott + Partner Inc.)
NES   Nintendo Entertainment System ROM Image (Nintendo)
NES   Nessus Attack Scripting Language Key File (Tenable Network Security)
NET   netViz Project (netViz Corporation)
NET   SYNETSIM Netlist File
NET   FileMaker Pro Networking Module
NET   Network Configuration
NET   Stuttgart Neural Network Simulator Network Definition
NET   EPANET Data File (United States Environmental Protection Agency)
NET   OrCAD Netlist Output File (Cadence Design Systems, Inc.)
NETA   Netica Bayes Net File (Norsys Software Corp.)
NETCDF   Scientific data NETwork Common Data Format
NETMODULE   .NET Framework .NET Module (Microsoft Corporation)
NEU   MENSI 3D Laser Scanner File
NEU   GAMBIT Control Information (ANSYS, Inc.)
NEUALL2   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEUCHEAT1   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEW   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEW   New Information
NEWFONT   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEWORDER   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEWPLR   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEWS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEWS   News Bitmap Image
NEWSLETTER   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEWTECH   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEX   Neurological Data for Statistical Analysis
NEX   Nexcon System File
NEXTURN   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NEZ   Nintento NES ROM Image
NF   CVIP NF_help File
NF2   NeverForget Reminder File (National Creative Registry, Inc.)
NFB   Nokia PC Suite Content Copier (Backup) File (Nokia)
NFC   Netware Command File (Typo)
NFC   Nokia PC Suite Content Copier File (Nokia)
NFE   Nikon Capture Fisheye Lens Info File (Nikon Inc.)
NFF   Haines Neutral File Format and WorldToolkit minimal 3D scene description language
NFF   WorldToolKit Neutral File Format (Sense8)
NFG   Gambit Normal Form Representation (The Gambit Project)
NFG   RHS Nibbles Finished Game File (Redwood High School)
NFI   DreamBox Image File (Dream Multimedia GmbH)
NFL   AutoCAD Multiline Filter List (Autodesk, Inc.)
NFL   Sierra Mastercook Layout File
NFM   NFM Archival Data Format File (Prevo Technologies, Inc.)
NFO   Warez Group Info File
NFO   Folio Infobase (Fast Search & Transfer (FAST))
NFO   JCanyon: Grand Canyon for Java DEM Companion File
NFO   System Info File (Microsoft Corporation)
NFO   Text File
NFT   Netobjects Fusion Netobjects System File
NFX   Netobjects Fusion Components BBScomp File
NG   Norton Guide Online Documentation
NGB   Nonogram Puzzle
NGD   NimbleScan NimbleGen Gene Description File (NimbleGen Systems Inc.)
NGD   Xilinx Integrated Software Environment Native Generic Database (Xilinx, Inc.)
NGF   Enterasys Networks NetSight Generated Format File
ngfile   Newsgroup File
NGG   Nokia Phone Group Graphics/Icons (Nokia)
NGL   Sheffield Dictionary File
NGL   Stenograph Transcript File (Stenograph, L.L.C.)
NGO   numberGo Dynamic Report (numberGo, LLC)
NGO   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NGO   NG Linker Object (NGML)
NGP   NeoGeo Pocket ROM Image
NGR   NEPLAN Graphic (Single Line Diagram) Data File (BCP Busarello + Cott + Partner Inc.)
NGR   Nokia PC Suite Install Archive (Nokia)
NGS   NG Compiler Source (NGC)
NGS   NGSSniff File
NH   NetHack Defaults File
NHB   No Hands Backup Backup Description (Anders Petersson’s Free Software)
NHF   Nero HFS-CD Compilation (Nero AG)
NHL   NHL Ice Hockey Game 2002 User Teams File
NHM   Systems Management Server (SMS) No History MIF File (Microsoft Corporation)
NHV   Nero HD-BURN-Video Compilation (Nero AG)
NI   Netobjects Fusion Preview File
NI   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NIA   Nikon Capture Image Adjustment File (Nikon Inc.)
NIB   Interface Builder User Interface Resources (Apple Inc.)
NIB   Corel Graphics10 Photopoint File
NIC   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NIC   Nici Encrypted Image/Graphic File (The DiScosel Group)
NICHOLS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NICK   Office Data File (Microsoft Corporation)
NICO   Nolan’s Icon Maker Icon File (Nolan’s Games)
NID   Nikon Capture IPTC Data File (Nikon Inc.)
NIF   NetImmerse Format File (Numerical Design Limited)
NIF   Notation Interchange File Format (NIFF)
NIF   GameBryo Format File (Emergent Game Technologies)
NIF   Navy Image File Format
NIF   Network Initialization File
NIF   NetShift Interface File (NetShift Software Ltd.)
NIFF   Notation Interchange File Format
NIFF   Navy Interchange File Format Bitmap
NIGHT   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NIGHTS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NII   NIfTI-1 Data Format (Neuroimaging Informatics Technology Initiative)
NIL   Norton Icon Library File
NIM   Nokia Phone Game File (Nokia)
nindex   Newsgroup Index File
NIP   Network Interface Plug-in
NIRVANA   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NIS   Homeworld Non-Interactive Sequence (Sierra Entertainment, Inc.)
NIT   ArcView INFO Table Definitions File (ESRI)
NITF   National Imagery Transmission Format
NIV   TheWord & Bible Companion New International Version Bible
NIX   Rational XDE (IBM)
NJB   Nikon Digital SLR Camera Image Index File (Nikon Inc.)
NJP   njPipes Compiler File
NJX   NJStar Document
NK2   Outlook AutoComplete File (Microsoft Corporation)
NKC   ECG Viewer (Nihon Kohden Corporation)
NKI   Native Instruments Instruments File (Native Instruments, Inc.)
NKJV   TheWord & Bible Companion New King James Version Bible
NKM   KONTAKT (Native Instruments)
NKS   Native Instruments Library File (Native Instruments, Inc.)
NKY   NUMROTOplus Keyfile (NUM Guettinger)
NL   Norton Desktop Icon Library
NL   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NLB   Colin Mc Rae Car Race Network Leader Board
NLB   Oracle 7 Data
NLC   NeroLINUX Compilation (Nero AG)
NLD   Windows Media Audio/Video File (Microsoft Corporation)
NLD   ATI Radeon Video Driver
NLF   ReliaSoft Weibull++ 6
NLF   MicroSim PCBoard Netlist File for Schematics
NLIST   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NLM   Netware Loadable Module (Novell)
NLM   Nokia Phones LogoManager Bitmap (Nokia)
NLO   NetG Skill Builder
NLP   Newsletter Profi 2001
NLR   NLREG Nonlinear Regression Control File (Phillip H. Sherrod)
NLS   Code Page National Language Support
NLS   Virus W32/Alman-B and Others
NLTRACK   NoLimits Rollercoaster Simulator Track File
NLU   Practice Platform Shortcut (neuroLanguage Corporation)
NLU   Norton Live Update E-Mail Trigger File
NLV   Nikon Capture LCHE Editor File (Nikon Inc.)
NLX   FormWorx Form
NM   RM Number Magic Data File (RM plc)
NM2   Navitel Navigator Ver 3.1 Map (GPS Moldova)
NMA   GPS Log Data
NMA   Normalised Extinction Corrected Differential Photometry
NMAT   NeoEngine (Reality Rift Studios)
NMD   SwordSearcher File
NMD   Nero miniDVD Compilation (Nero AG)
NMDAR   Connectivity Memory Model Input File When Tau1=0.0
NMEA   GPS Log Data
NMF   Lightwave Narmal Map
NMF   Note-Mate Question Set (StudySoft)
NMF   Nuzzler Basic Rule Definition File (Securepoint Security Solutions)
NMF   Nuzzler Basic Message File (Securepoint Security Solutions)
NMI   SwordSearcher File
NMK   Oc2.316s Cakit File
NML   NewsMail 2.0 E-mail Newsletter (ESU-Soft)
NML   NEURO ONE Static Neuron Model (Netral)
NML   NML Language Source File (NevoSoft)
NML   .nugthat Compiler Source Code (.nugthat Mark-up Language) (Nuggets Unlimited, Inc.)
NMO   Virtools Behavioral Objects
NMS   Note-Mate Save Position (StudySoft)
NMS   Numega Softice’s Loader File
NMS   Virtools Graphical Scripts
NMS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NMV   Nintendulator Movie Capture
NMW   Netmeeting T126 Compatable Whiteboard Document (Microsoft Corporation)
NNB   newnovelist Story Outline
NNB   ANNI (Artificial Neural Network Investing) Batch File (Neural Science)
NNI   ANNI (Artificial Neural Network Investing) Archive of Learned Information (Neural Science)
NNP   ANNI (Artificial Neural Network Investing) Portfolio File (Neural Science)
NNR   Nikon Capture Noise Reduction File (Nikon Inc.)
NNVS   NextNine VNC Player Server to Client Part of VNC Session (NextNine Ltd.)
NOA   Nancy Video CODEC
NOA   Cell Phone Video Clip
NOB   VersaPro Word Exchange File
NOB   Silver Sprites and Data
NOB   Vampire: La Mascarade Archive
NOD   NetObjects Fusion
NOD   Noder File
NOFIN   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOI   TGIF-3.0 File
NOKIA   Nokia Ringtone (Nokia)
NOKTXT   Nokia Ringtone (Nokia)
NOL   Nokia Phone Operator (Manager) Logo (Nokia)
NOM   Aonix Nomad
NOMFICHIER   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NON   Star Wars – Tie Fighter Mouse Options
NON   Nonogram Puzzle
NOR   Personal Paint Norwegian Language User Interface File (Amiga)
NOR   ATI Radeon Video Driver
NORMAL   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NORUN   Unknown
NOT   e-Sword Study Note File (Rick Meyers)
NOT   Broderbund Note Card Type (Riverdeep Interactive Learning Limited)
NOT   Note-It Note File (Veign)
NOT   Acrobat Spelling File (Adobe Systems Incorporated)
NOT   Notation or Note
NOT   ActiveNote Post-It-Notes
NOTE   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTE   WordPerfect for Macintosh Help Document (Corel Corporation)
NOTE91   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTEBOOK   SMART Notebook (SMART Technologies ULC)
NOTEPAD   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTES   R関iseur de notes Notes File (Fichier de notes) (Francis Gagn�)
NOTES   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTESEQ   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTESYN   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTESYNTH   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTH   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOTICE   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOW   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NOW   Text File
NP   Planner Project Schedule (Nokia)
NP   Cliq Accessories Notepad Text
NP   Portfolio NetPublish Web Template (Extensis, Inc.)
NPA   ReliaSoft Weibull++ 6
NPAC   NeoEngine Resource Package (Reality Rift Studios)
NPC   Jagged Alliance 2 Non-Player Character File (Sir-tech Canada Ltd.)
NPC   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NPD   Netrosoft Presentation Document (Netrosoft Corporation)
NPD   Ultra Network Sniffer Captured Packet (GJPSoft, Inc.)
NPD   Noder File
NPDOC   Newspilot Document (Infomaker Scandinavia AB)
NPEXT   Newspilot External Document (Infomaker Scandinavia AB)
NPF   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NPG   NextPlay Game Data (Covac Software)
NPG   Die Hard – Nakatomi Plaza Saved Game (Sierra Entertainment, Inc.)
NPI   dBASE Application Generator Source
NPI   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NPI   Nikon Capture Filters File (Nikon Inc.)
NPIMG   Newspilot Image Metadata (Infomaker Scandinavia AB)
NPJOB   Newspilot Job Description (Infomaker Scandinavia AB)
NPK   n-Track Studio Peak Files (n-Track Software)
NPK   MikroTik RouterOS Upgrade Package (MikroTik)
NPL   Xilinx Integrated Software Environment Project File (Xilinx, Inc.)
NPL   Allplan Plot Layout File (Nemetschek A.G.)
NPL   Nokia Audio File (Nokia)
NPL   Core Media Player Nefertiti Playlist (CoreCodec, Inc.)
NPL   DART Pro 98 Noiseprint Info
NPM   Nokia Phone Picture Message (Nokia)
NPM   Neopaint Mask
NPM   Norton 360 Identity Safe Profile (Symantec Corporation)
NPM   Corel Graphics Ver 10 Draw Media Lines File (Corel)
NPP   Art Explosion Publisher Pro Document (Nova Development Corporation)
NPS   Lotus Agenda File
NPS   NeroMix (Nero AG)
NPSEW   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NPT   DART Pro 98 Noiseprint Archive Import
NPT   Portfolio NetPublish Pre-cursor Templates (Extensis, Inc.)
NPV   Pixbend Player Pixbend Media File (Nexilogic)
NPZ   nProtect GameGuard Update File (INCA Internet Co, Ltd.)
NQC   Not Quite C Source Code (Dave Baum)
NQI   NOD32 Quarantined File Information (ESET, LLC and ESET, spol. s.r.o.)
NR3   Nero MP3 CD-ROM Compilation (Nero AG)
NR4   Nero AAC CD Compilation (Nero AG)
NRA   Nero Audio-CD Compilation (Nero AG)
NRB   Nero CD-ROM Boot Compilation (Nero AG)
NRC   Nero UDF/ISO CD-ROM Compilation (Nero AG)
NRD   Nero DVD-Video Compilation (Nero AG)
NRE   Nero CD Extra Compilation (Nero AG)
NRF   Nicolet DataViewer Multi-segment Waveform Data (Nicolet Instrument Technologies, Inc.)
NRF   NEC Scanner File
NRF   Neutral Raster File Bitmap
NRG   Norton Registration Entries (Symantec Corporation)
NRG   Nero CD-Image File (Nero AG)
NRH   Nero Hybrid CD-ROM Compilation (Nero AG)
NRI   Trickster Online Image (NTREEV SOFT)
NRI   Nero ISO CD-ROM Compilation (Nero AG)
NRL   iManage File
NRM   Nero Mixed-Mode-CD Compilation (Nero AG)
NRS   Nero CD-ROM (EFI Boot) Compilation (Nero AG)
NRSV   TheWord & Bible Companion New Revised Standard Version Bible
NRT   Nokia Phone Ring Tone (Nokia)
NRU   Nero UDF CD-ROM Compilation (Nero AG)
NRV   Nero Video-CD Compilation (Nero AG)
NRW   Nero WMA CD-ROM Compilation (Nero AG)
NRW   Nikon RAW Image (Nikon Corporation)
NRX   NeatReceipts SCANALIZER Expense Report File (NeatReceipts)
NS1   NetStumbler NS1 Log
NS2   Notes Ver 2 Database (Older Form) (IBM)
NS3   Notes Database (Older Form) (IBM)
NS4   Notes Database (Older Form) (IBM)
NS5   Notes/Domino (IBM)
NSB   Novaschem School Schedule
NSC   Windows Media Station File
NSC   Noder File
NSCE   NeoEngine Scene File (Reality Rift Studios)
NSD   Norton System Doctor Sensors Configuration (Symantec Corporation)
NSD   NRG Site Database
NSD   Nero Super Video CD Compilation (Nero AG)
NSDF   NevoSoftDB Standard Format Database File (NevoSoft)
NSE   Nmap Security Scanner Scripting Engine File
NSF   Notes Database (IBM)
NSF   NES Sound File
NSG   Nessie Saved State
NSG   Notes Database (Older Form) (IBM)
NSH   Nullsoft Scriptable Install System (NSIS) Header/Include File
NSH   Notes Database (Older Form) (IBM)
NSI   NewsStand Reader (NewsStand, Inc.)
NSI   Symantec Shared File (Symantec Corporation)
NSI   Install System Script (Nullsoft)
NSIS   Compressed Archive
NSK   NaShrinK Archive (NashSoft Systems)
NSL   Nokia Phone Startup Logo (Nokia)
NSM   NESticle Movie
NSO   NetStudio Easy Web Graphics File
NSO   Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited)
NSOF   NoteStar v1.2a + Options Data (Jayden Carr)
NSP   Multi-Speech Sound File (Kay Elemetrics Corp.)
NSP   Computerized Speech Lab Audio Speech Format (Kay Elemetrics Corp.)
NSQ   NPrinting NPrinting (Syntes)
NSR   Nessus Project
NSR   Nikon Capture Size and Resolution File (Nikon Inc.)
NSRD   SH&E NetWorks Report Design (Simat, Helliesen and Eichner, Inc.)
NSS   Bioware Aurora / Obsidian Electron NWN NWScript Source File (BioWare Corp.)
NSS   Norton ScreenSaver Module
NST   Audio
NST   Noise Tracker Music Module
NSV   Winamp3 Video Format File
NSV   Nullsoft (Streaming|S as in Soft) Video (Nullsoft, Inc.)
NSX   Apollo Database Engine Index
NSX   HiPer-Six Index File
NSX   SuccessWare SIX 3.00 Compound Index File
NT   Windows NT Command Script (Microsoft Corporation)
NT0   Adressmn
NT1   Adressmn
NT2   Adressmn
NT3   Adressmn
NT6   Orchida Knitting System Universal Flat Knitting Machine Pattern (Orchida Soft)
NT7   Orchida Knitting System Universal Flat Knitting Machine Pattern (Orchida Soft)
NTC   Nikon Capture Camera Curves Information File (Nikon Inc.)
NTD   Netrosoft Word Processor Text Document (Netrosoft Corporation)
NTE   Holonote Note
NTF   National Transfer Format Map File
NTF   National Imagery Transmission Format (NITF) (GlobalSecurity.org)
NTF   Notes Database Template (IBM)
NTH   Series 60 Theme Studio for Symbian OS Theme File (Nokia)
NTH   ImageMagick Ver. 5.3.2 Visualmagick JBIG File (ImageMagick Studio LLC)
NTM   Navitel Navigator Ver 2.0 Map (GPS Moldova)
NTN   NOTION Performance Score (VirtuosoWorks, Inc.)
NTO   NTOScanner
NTP   Neato CD Labels
NTR   Netrun Executable Text File
NTRK   IL2 Track File (Ubisoft Entertainment)
NTS   Netsend Executable Text File
NTS   Psion Organiser Notepad File (Psion PLC)
NTS   Norman TurboStore Database Data Storage (Norman ASA)
NTS   Norton Tutorial
NTT   CD Label Template
NTT   Neato Label Template (Neato)
NTV   PatternSmith Import File (Autometrix)
NTW   LVNet – Low Voltage Networks Analysis
NTW   Noteworthy Composer Song File (NoteWorthy Software, Inc.)
NTW   Lode Data Network (Lode Data Corporation)
NTX   PIMS Notes for Windows CE Text Note File (Nacetech Co., Ltd.)
NTX   yEnc32 yEncoded File
NTX   NTX Web Audio File
NTX   CARIS Marine Navigation Info
NTX   Clipper Index
NTX   Network Terminal Accelerator Adapter Card Configuration Information
NTZ   InVircible Directory Integrity Information
NU4   Norton Utilities DLL Root File (Symantec Corporation)
NU6   Norton Utilities System DLL File
NUF   Procomm Plus New User Message
NUG   .nugthat Player Nugget File (Nuggets Unlimited, Inc.)
NUL   CCS-lib.2 ACS File
NUL   Grand Theft Auto (Playstation 2) Game File (Rockstar Games)
NULL   NULL Image
NUM   Guitar Chords in Nashville Numbering System Format
NUM   DOS 7 File
NUM   Nikon Capture Unsharp Mask File (Nikon Inc.)
NUM   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NUMBER   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NUMBERS   Numbers Spreadsheet (Apple Inc.)
NUMBERWHEEL   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NUMBRWHEEL   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NUOVO   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NUP   NOD32 Digitally Signed Update File (Eset)
NUT   NUT Open Container
NUT   Star Fox: Assault Texture File (Namco Bandai Holdings, Incorporated)
NUT   .nugthat Player (Nuggets Unlimited, Inc.)
NUV   MythTV NuppelVideo Video File
NUWAGE   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NV   Visicontrol MVS-20 Non-Volatile Memory Backup File
NV   NewViews Accounting Database (Q.W. Page Associates Inc.)
NV   Juno Access Number Info File (Juno Online Services, Inc.)
NV!   Net Transport Partial Download (Exciting Software)
NV2   NewViews Accounting Database (Q.W. Page Associates Inc.)
NV3   Visicontrol MVS-30/35/40 Flash-Memory Backup File
NVB   NVIDIA Scene (NVIDIA Corporation)
NVC   Nikon Capture Vignette Correction Information File (Nikon Inc.)
NVC   NeroVision Express Project File (Nero AG)
NVD   AOLpress Help
NVD   NetworkView Network Discovery
NVF   Visicontrol MVS-20 Non-Volatile Memory Backup File
NVF   Nomad II Voice File (Creative Technology, Ltd.)
NVL   Netviewer Meet Session Recording (Netviewer AG)
NVM   AOLpress Help
NVP   Nero Effects Filter (Nero AG)
NVR   NeverForget Reminder File (National Creative Registry, Inc.)
NVU   NVIDIA Graphics Card Driver (NVIDIA Corporation)
NVV   NVIDIA Vertex Shader (NVIDIA Corporation)
NVX2   The Nebula Device 2 Mesh Resource File in Binary Format (RadonLabs GmbH)
NW   Graal Level (Cyberjoueurs)
NW   Noweb File (Norman Ramsey)
NW   Dispatch Northwest Timetable File (Scott Andrew Borton)
NW   NoteWorthy 2 File
NW3   Netware.3x File
NW4   Netware.4x File
NW8   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NWB   Nikon Capture White Balance File (Nikon Inc.)
NWC   NavisWorks File
NWC   Noteworthy Composer Song File (NoteWorthy Software, Inc.)
NWD   NavisWorks File
NWF   NavisWorks File
NWID   NeoEngine (Reality Rift Studios)
NWK   Nano Wiki Engine Wiki Data Source (Silvio Torre)
NWN   BioWare Aurora Engine Module (BioWare Corp.)
NWP   NEO Content File
NWPD   VivaNWP Designer Template (VIVA)
NWS   Outlook Express News File (Microsoft Corporation)
NWS   Newsmaster or Newsmaster II Data File
NWS   Creatacard Newsletter or Photo Album or Presentation or Report Cover or Resume Project (Broderbund)
NWV   Dragon NaturallySpeaking User Profile File (Scansoft, Inc.)
NWX   Outlaws Choreography (LucasArts Entertainment Company LLC)
NWX   NWX Editor (TheOutlawDad)
NW_   Noteworthy Compressed Audio File
NX1   NexusDB Database (Nexus Database Systems)
NX2   NexusDB Database (Nexus Database Systems)
NXD   ndxCards Index Card Project (TruTamil LLC)
NXP   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NXP   NEXUS Expansion Pack (reFX Audio Software Inc.)
NXP2   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NXS   Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
NXT   NeXT Sound File
NY   Nyquist Plug-in
NYF   Mybase Database (WJJ Software)
NYM   Sheffield Dictionary File
NYT   Times Reader Article (New York Times)
NZ   NanoZip NanoZip Compressed Archive File
NZ   Audio Utility Tuningwrench Compressed File
NZB   Newzbin Download Pointer File (Newzbin Ltd)
NZL   Corel Painter Nozzle File
NZN   NoteZilla Sticky Note (Conceptworld Corporation)

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