since 2000
Alphabetic File Extension List: n
The file extension list you requested is shown on this page. It loads as a table so please give it a moment as some of the lists are quite long. These lists contain basic information: the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. Not all extensions have all of the data. Click on the extension of interest to see the detail page for that extension. Total extensions in this particular list: 725.
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| Extension | Information |
| N | Neko Bytecode (Motion-Twin) |
| N | Nuke Randomic Life Generator |
| N1 | Nuke Randomic Life Generator |
| N1E | OM2 OMALI NENA Encrypted Document Version 1 |
| N2 | Nitrous 3D shader archive (Nitrous) |
| N2E | OM2 OMALI NENA Encrypted Document Version 2 |
| N2K | N2K View N2KView system configuration file (Maretron) |
| N2P | Net2Phone File |
| N3 | Notation 3 Document |
| N3ANIM | N3 Viewer Character animation |
| N3CHR | Granado Espada 3D model |
| N3D2 | The Nebula Device 2 Mesh Resource File in ASCII Format (RadonLabs GmbH) |
| N3E | OM2 OMALI NENA Encrypted Document Version 3 |
| N3R | WV-ASE202 surveillance video (Panasonic) |
| 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.) |
| NAD | Noder File |
| NAF | Compressed Archive |
| NAI | WinINSTALL File |
| NAK | Audio |
| NAKW | NAKW Ransomware Ransomware encrypted |
| NAL | ArrayScribe (NimbleGen Systems Inc.) |
| NAL | Systems Management Server (SMS) Network Abstraction Layer (Microsoft Corporation) |
| NAL | ZENworks Suite Network Delivered Application Shortcut (Novell, Inc.) |
| NAM | Office Name File |
| NAME | Apple II operating system Golden Orchard Apple II CD Rom file |
| NAMEONCLIPBOARD | NAMEONCLIPBOARD Powertoy File |
| NAMES | TensorFlow Machine Learning data set description |
| NAN | Nanoscope File |
| NAP | Electrical Network Analysis and Planification |
| NAP | EnerGraphics VideoShow File |
| NAP | ePolicy Orchestrator Network Associates Package (Policy File) (Network Associates Technology, Inc.) |
| NAP | NAP Metafile Vector Image |
| NAP | Napster Music Security Definition File |
| NAP | VideoShow/EnerGraphics NAPLPS Vector Image Metafile |
| NAPLPS | North American Presentation Layer Protocol Syntax = Vector image |
| NAR | .NET archive (Microsoft) |
| NAR | Counter-Strike Online game data archive (Nexon and Valve) |
| NAR | NiFi data (Apache) |
| NAR | Nikon Capture NX-D raw image (Nikon) |
| NARC | Nintendo ARChive (Nintendo) |
| NAS | Nasal Script (Andy Ross) |
| NAS | NASTRAN File |
| NASB | TheWord & Bible Companion New American Standard Bible |
| NASL | Nessus Attack Scripting Language Key File (Tenable Network Security) |
| NAV | Counter-Strike navigation mesh (Valve) |
| NAV | Microsoft Network application extension/component (Microsoft) |
| NAV | Navigator ephemeris and celestial data (Tecepe) |
| NAV | WordPerfect document/graphics (Corel) |
| NAZ | EMC Navisphere Management Suite Performance Log (EMC Corporation) |
| NB | Acrobat document (Adobe) |
| NB | macOS data (Apple) |
| NB | Mathematica notebook (Wolfram) |
| NB | Nota Bene document (Nota Bene Associates) |
| NB | Paradox notebook (Corel) |
| NB | Sublime json-encoded text (Sublime) |
| NB0 | Microsoft Device Emulator OS image (Microsoft Corporation) |
| NB7 | NovaBACKUP configuration information file (NovaBACKUP Corp) |
| NBA | BackItUp (Nero AG and Subsidiaries) |
| NBA | NBA Game Data |
| NBA | Nota Bene configuration information file (Nota Bene) |
| NBATTRS | NetBeans Project Attributes File (Collab.Net, Inc.) |
| NBD | NovaBACKUP configuration information file (NovaBACKUP Corp) |
| NBE | nBill Extension (Netshine Software Limited) |
| NBE | Nessus File |
| NBES | WinRAR Encrypted Archive File |
| NBF | BackupNow data backup file (NTI) |
| NBF | NVIDIA |
| NBF | PC Suite data backup file (Nokia) |
| NBG | NBG Clean Registry File |
| NBI | BackItUp data backup file (Nero AG) |
| NBIB | JabRef bibliographic data |
| NBIX | Microsoft Power BI Power BI Backup |
| NBK | i-Brarian |
| NBK | Nick-O-Matic Design Factory (Riverdeep Interactive Learning Limited) |
| NBK | Notebook (SMART Technologies ULC) |
| NBK | NovaBACKUP configuration information file (NovaBACKUP Corp) |
| NBKP | Nokia PC Suite Nokia phone backup |
| NBM | Guy's Power Albums Archive |
| NBM | NetBeans Module (Sun) |
| NBN | Notability Notability note files |
| NBP | NetBiter Config Utility NetBiter firmware patch (Intellicom Innovation AB) |
| NBP | VisualNEO Win VisualNEO plugin (SinLios Soluciones Digitales) |
| NBP | Wolfram Player player notebook file (Wolfram) |
| NBR | NovaBench NovaBench (Novaware) |
| NBT | Minecraft world data (Mojang) |
| NBU | NetBiter webSCADA backup file (HMS Networks.) |
| NBU | PC Suite data backup file (Nokia) |
| NC | Bocad steel fabrication CNC program (AVEVA) |
| NC | EDIT CNC program (CIMCO) |
| NC | FlatCAM CNC program (Juan Pablo Caram) |
| NC | Geopath machine part (SolutionWare) |
| NC | GEOS source code (GeoWorks) |
| NC | Mastercam computer numerical control program (CNC Software) |
| NC | Matlab scientific data (MathWorks) |
| NC | mcrypt encrypted archive (mcrypt Developers) |
| NC | neatComponents data (neatComponents Developer) |
| NC | NetCDF scientific data (Unidata) |
| NC | X-editor CNC program (X-net ApS) |
| NC1 | SolidWorks CNC code (Dassault Systèmes) |
| NC1 | Tekla Structures CNC code (Trimble) |
| NC4 | NetCDF libraries and tools (e.g., ncview, NCO) Storing scientific data |
| NCA | NetCam Supervisor Archive |
| NCA | Nikon Capture Color Adjustment File (Nikon Inc.) |
| NCB | Developer Studio File (Microsoft Corporation) |
| NCB | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NCB | Nikon Capture Color Booster File (Nikon Inc.) |
| NCC | Computer Numeric Control File |
| NCC | NetCam Supervisor Directory |
| NCC | NetControl V1 1999 |
| NCC | Nikon Capture Camera File (Nikon Inc.) |
| NCC | Nokia PC Suite Content Copier File (Nokia) |
| NCD | CoverDesigner CD covert art (Nero) |
| NCD | Dragon Burn disk image (NTI) |
| NCD | ISE Design Suite native circuit description (Xilinx) |
| NCD | IsoBuster disk image (Smart Projects) |
| NCD | Media Maker Express disk image (NTI) |
| NCD | Norton 360 change directory information (NortonLifeLock) |
| NCE | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NCF | GibbsCAM CNC program listing (Gibbs and Associates) |
| NCF | InMAP model (InMAP Developers) |
| NCF | Linux device driver package (Linux Foundation) |
| NCF | Netware command (Novell) |
| NCF | Nick-O-Matic Design Factory project (Riverdeep Interactive Learning Limited) |
| NCF | Notes internal clipboard (HCL) |
| NCF | SQLite database (SQLite Consortium) |
| NCF | Steam game cache/configuration (Valve) |
| NCF | System Center network configuration (Microsoft) |
| NCH | On Hold Message/Music File |
| NCH | Outlook Express Folder File (Microsoft Corporation) |
| NCI | Mastercam Toolpath File (CNC Software, Inc.) |
| NCI | NetCam Supervisor Meta Data |
| NCL | RHS Nibbles Custom Level (Redwood High School) |
| NCM | Communicator Configuration Message (Nokia) |
| NCM | NetCam Supervisor Video |
| NCO | BackItUp data 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.) |
| NCW | Kontakt audio sample (Native Instruments) |
| NCX | SecurDataStor Secure Archive (encryptX Corporation) |
| NCZ | Netcad Turkish Land Registry |
| ND | QuickBooks Configuration file (Intuit) |
| ND2 | Nikon ND2 reader Image J/FIJI (Nikon) |
| NDA | Nick-O-Matic Design Factory (Riverdeep Interactive Learning Limited) |
| NDB | ACT! Notes Data File (Best Software CRM Division) |
| NDB | Intellicom Network Database |
| NDB | NEPLAN Loads (Node Data) and Feeders File (BCP Busarello + Cott + Partner Inc.) |
| NDB | NetOp Various Information Files |
| NDB | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NDB | ProWORX Nxt Short Comment (Schneider Electric) |
| 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 | Capture NX-D raw image reference photo (Nikon) |
| NDF | ESET Smart Security quarantine data (ESET) |
| NDF | NeoPlanet data (NeoPlanet) |
| NDF | Network Detective network scan result (RapidFire Tools) |
| NDF | NimbleScan custom microarray design (NimbleGen) |
| NDF | ProWORX short comment (Schneider Electric) |
| NDF | SQL Server secondary datatabase (Microsoft) |
| NDFBIN | Napoleon: Total War Game Data File |
| NDG | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NDJSON | Web Browsers, Command-line tools Data Exchange |
| NDK | Notes Database Design Elements (IBM) |
| NDK | OS/2 Saved Disk Format (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) |
| NDLL | Windows Operating System system library |
| NDM | Enemy Territory: Quake Wars Demo (Activision, Inc.) |
| NDM2 | Navicat Data Modeler Database Diagrams |
| 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 | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NDS | Nintendo DS Game ROM Image (Nintendo) |
| NDT | NEPLAN External Program Import/Export File (BCP Busarello + Cott + Partner Inc.) |
| NDV | NanoDrop One/c UV-Vis Spectrophotometer software Spectrophotometer data |
| NDW | Allplan Drawing File (Nemetschek A.G.) |
| NDX | ArcView fonts index file (Esri) |
| NDX | dBase database index file (dBase) |
| NDX | Neat archive file (Neat) |
| NDX | Rational XDE Rational XDE model file (IBM) |
| NDX | WINDEV file index (PC SOFT) |
| 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.) |
| 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 (András Varga) |
| NEF | BackItUp encrypted data (Nero AG) |
| NEF | Photoshop raw image (Adobe) |
| NEF | ViewNX raw image (Nikon) |
| 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) |
| NEPPRJ | NEPLAN Project File (BCP Busarello + Cott + Partner Inc.) |
| NES | Nessus Attack Scripting Language Key File (Tenable Network Security) |
| NES | Nintendo Entertainment System ROM Image (Nintendo) |
| NESSUS | Nessus Nessus scan file (Tenable) |
| NET | EPANET EPANET project (United States Environmental Protection Agency) |
| NET | FileMaker FileMaker networking module (Claris) |
| NET | netViz netViz project (netViz) |
| NET | OrCAD Capture netlist file (Cadence Design Systems) |
| NET | Stuttgart Neural Network Simulator network definition file (University of Stuttgart) |
| NET | SYNETSIM netlist file (Daniel K Hartline) |
| NETA | Netica Bayes Net File (Norsys Software Corp.) |
| NETCDF | Scientific data NETwork Common Data Format |
| NETMODULE | .NET Framework .NET Module (Microsoft Corporation) |
| NETSPW | NetSpot Wi-Fi survey data |
| NEU | GAMBIT Control Information (ANSYS, Inc.) |
| NEU | MENSI 3D Laser Scanner File |
| NEW | 7-Zip compressed data (Igor Pavlov) |
| NEW | GTA V data (Rockstar) |
| NEW | Sublime new information (Sublime) |
| NEWORDER | Apple II operating system Golden Orchard Apple II CD Rom file |
| NEWS | News Bitmap Image |
| NEX | Neuroexplorer neurological data file (Plexon) |
| NEX | Nexcon system file |
| NEX | Opera browser extension (Opera) |
| NEXE | Native Client (NaCl) Executable program |
| NEZ | Nintento NES ROM Image |
| NF | CVIP NF_help File |
| NF1 | Notepad Free Application Notes |
| NF2 | NeverForget Reminder File (National Creative Registry, Inc.) |
| NFA | GPAC Fragmented MP4 video |
| NFB | PC Suite data backup file (Nokia) |
| NFC | Netware command file (Novell, Inc.) |
| NFC | PC Suite data backup file (Nokia) |
| NFE | Nikon Capture Fisheye Lens Info File (Nikon Inc.) |
| NFF | Bryce minimal 3D scene description (DAZ) |
| NFF | WorldToolKit data (Ibiblo) |
| 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 | Age of Empires player profile (Xbox Studios) |
| NFO | Folio Builder infobase (Folio) |
| NFO | Heavenworld game data (Helios) |
| NFO | JCanyon demonstration companion data (Oracle) |
| NFO | Kodi information (The Kodi Foundation) |
| NFO | Lumion information (Lumion) |
| NFO | Notepad system information (Microsoft) |
| NFO | OpenPGP key (OpenPGP Developers) |
| NFO | Sublime information (Sublime) |
| NFS | 7-Zip compressed data (Igor Pavlov) |
| NFS | F1 2021 audio clip (Electronic Arts) |
| NFS | Netflix Netflix subtitle file (Netflix) |
| NFS | Netflix subtitle (Netflix) |
| NFS | SEAT skin (Garmin) |
| NFS13SAVE | Need for Speed: Most Wanted (2012) Saving game progress |
| NFT | Netobjects Fusion Netobjects System File |
| NFV | Netflix video (Netflix) |
| NFX | Netobjects Fusion Components BBScomp File |
| NFXO | Nintendo Switch eShop eShop Game Icon |
| NG | Norton Guide Online Documentation |
| NGB | Nonogram Puzzle |
| NGB-DS1 | Nova Gas Battery Data Viewer Nanonis Data Storage |
| NGB-DS3 | NETZSCH Proteus Software Thermal Analysis Data |
| NGB-DS5 | NETZSCH Proteus® Software Thermal analysis data |
| NGB-SD7 | Next Generation Biometrics; Netzsch Proteus Thermal Analysis Software Microscopy data; Thermal analysis |
| NGB-SDG | NETZSCH Proteus Software DSC data file |
| NGB-SS3 | Nanosurf Software Nanosurf Grid Spectroscopy |
| NGB-SS4 | Netzsch Proteus Software TGA data file |
| NGB-ST9 | Netzsch Proteus Thermal Analysis Software Netzsch thermal data |
| NGB-TAA | NETZSCH Proteus Thermal Analysis Data |
| NGC | ISE PCB netlist (Xilinx) |
| NGC | LinuxCNC CNC program (Linux CNC Community) |
| NGC | NeoPop game cartridge image (Emulator zone) |
| NGC | Vivado netlist (Xilinx) |
| 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.) |
| NGLLOGCONTROLCONFIG | Adobe Creative Cloud Log control |
| NGO | NG Linker Object (NGML) |
| NGO | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NGO | numberGo Dynamic Report (numberGo, LLC) |
| 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 |
| NIA | Nikon Capture Image Adjustment File (Nikon Inc.) |
| NIB | Corel Graphics Suite brush/pen nib (Corel) |
| NIB | Xcode user interface component (Apple) |
| NIC | Nici Encrypted Image/Graphic File (The DiScosel Group) |
| NICK | Office Data File (Microsoft Corporation) |
| NICNT | Native Instruments Kontakt Kontakt Sound Library |
| NICO | Nolan's Icon Maker Icon File (Nolan's Games) |
| NID | Nikon Capture IPTC Data File (Nikon Inc.) |
| NIF | GameBryo 3D model (Gambase) |
| NIF | NetShift saved interface data (NetShift) |
| NIF | NIFF SDK music notation (Passport) |
| NIF | NifSkope 3D model (Corwin) |
| NIF | NifTools 3D model (NifTools) |
| NIF | PixView bitmap (PixEdit) |
| NIF | Windows network initialization data (Microsoft) |
| NIFF | Navy Interchange File Format Bitmap |
| NIFF | Notation Interchange File Format |
| NII | NIfTI-1 Data Format (Neuroimaging Informatics Technology Initiative) |
| NIL | Norton Icon Library File |
| NILE | Nullsoft Scriptable Install System (NSIS), VMProtect, Adobe Acrobat Reader Varied File Formats |
| NIM | Nokia Phone Game File (Nokia) |
| nindex | Newsgroup Index File |
| NIP | Network Interface Plug-in |
| NIS | Homeworld Non-Interactive Sequence (Sierra Entertainment, Inc.) |
| NIT | ArcView INFO Table Definitions File (ESRI) |
| NITF | ENVI National Imagery Transmission Format file (Harris Geospatial Solutions) |
| NITF | ERDAS IMAGINE National Imagery Transmission Format file (Hexagon) |
| NITF | XnView MP National Imagery Transmission Format file (XnSoft) |
| NIV | TheWord & Bible Companion New International Version Bible |
| NIX | Rational XDE (IBM) |
| NI_ | Gamebryo 3D model |
| NJB | Nikon Digital SLR Camera Image Index File (Nikon Inc.) |
| NJP | njPipes Compiler File |
| NJX | NJStar Document |
| NK2 | Outlook auto-complete list (Microsoft) |
| 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) |
| NKP | Native Instruments Kontakt Player Kontakt instrument presets |
| NKR | Native Instruments Kontakt Kontakt Resource Container |
| NKS | Native Instruments Library File (Native Instruments, Inc.) |
| NKSF | Native Instruments Kontakt Sound Banks |
| NKX | Native Instruments Kontakt Kontakt sound libraries |
| NKY | NUMROTOplus Keyfile (NUM Guettinger) |
| NL | Norton Desktop Icon Library |
| NLB | Colin Mc Rae Car Race Network Leader Board |
| NLB | Oracle 7 Data |
| NLBL | NiceLabel Label Template |
| NLC | NeroLINUX Compilation (Nero AG) |
| NLD | ATI Radeon Video Driver |
| NLD | Windows Media Audio/Video File (Microsoft Corporation) |
| NLF | MicroSim PCBoard Netlist File for Schematics |
| NLF | ReliaSoft Weibull++ 6 |
| NLJSKE8PED3VKQZ | Apowersoft Screen Recorder Encrypted Recordings |
| 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 | Avast trojan data (Avast) |
| NLS | NetLogo source code (Northwestern University) |
| NLS | Windows national language support (Microsoft) |
| NLTRACK | NoLimits Rollercoaster Simulator Track File |
| NLU | Norton Live Update E-Mail Trigger File |
| NLU | Practice Platform Shortcut (neuroLanguage Corporation) |
| NLV | Nikon Capture LCHE Editor File (Nikon Inc.) |
| NLX | FormWorx Form |
| NM | RM Number Magic ICT learning resources (RM) |
| NM | SpaceEngine 3d nebula model (Vladimir Romanyuk) |
| 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 | Nero miniDVD Compilation (Nero AG) |
| NMD | SwordSearcher File |
| NMDAR | Connectivity Memory Model Input File When Tau1=0.0 |
| NMEA | VisualGPSView GPS log file (VisualGPS) |
| NMF | ArcGIS rule definition file (ESRI) |
| NMF | Lightwave GIS project file (Map) (NewTek Inc.) |
| NMF | Note-Mate question set (NotesMate Inc.) |
| NMF | Nuzzler Basic message file (Securepoint Security Solutions) |
| NMI | SwordSearcher File |
| NMK | Oc2.316s Cakit File |
| NML | .nugthat Compiler Source Code (.nugthat Mark-up Language) (Nuggets Unlimited, Inc.) |
| NML | NEURO ONE Static Neuron Model (Netral) |
| NML | NewsMail 2.0 E-mail Newsletter (ESU-Soft) |
| NML | NML Language Source File (NevoSoft) |
| NMM | Samsung Notes Samsung Notes File |
| NMMM | Samsung Notes Notes backup |
| NMO | Virtools Behavioral Objects |
| NMS | Note-Mate Save Position (StudySoft) |
| NMS | Numega Softice's Loader File |
| NMS | Virtools Graphical Scripts |
| NMV | Nintendulator Movie Capture |
| NMW | Netmeeting T126 Compatable Whiteboard Document (Microsoft Corporation) |
| NNB | ANNI (Artificial Neural Network Investing) Batch File (Neural Science) |
| NNB | newnovelist Story Outline |
| NNG | TachoScan Driver data file |
| 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 | Cell Phone Video Clip |
| NOA | Nancy Video CODEC |
| NOB | Silver Sprites and Data |
| NOB | Vampire: La Mascarade Archive |
| NOB | VersaPro Word Exchange File |
| NOD | NetObjects Fusion |
| NOD | Noder File |
| NODE | Node.js Node.js module (Ryan Dahl) |
| NODES | various, including Geometry Dash, Blender, and Gephi Data Storage |
| NOI | TGIF-3.0 File |
| NOKIA | Nokia Ringtone (Nokia) |
| NOKTXT | Nokia Ringtone (Nokia) |
| NOL | Nokia Phone Operator (Manager) Logo (Nokia) |
| NOLS | Norton Security Products/Nikon Capture NX2/Nokia PC Suite Encrypted Data/Metadata |
| NOM | Aonix Nomad |
| NOMEDIA | Acrobat data (Adobe) |
| NOMEDIA | Android no media data indicator (Open Handset Alliance) |
| NOMEDIA | Notepad no media data indicator (Microsoft) |
| NOMEDIA | Snapchat image or video clip (Snapchat) |
| NON | Nonogram Puzzle |
| NON | Star Wars - Tie Fighter Mouse Options |
| NONAME | Google Photos empty file (Google) |
| NONAME-1 | Yandex.Mail Email Server Logs |
| NONAME-2 | Yandex Mail Server Yandex Email Logs |
| NONAME_1 | Image viewers and editors Storing images |
| NONE | IrfanView Extensionless JPEG |
| NOOA | Nooa Ransomware Encrypted Image Files |
| NOR | ATI Radeon Video Driver |
| NOR | Personal Paint Norwegian Language User Interface File (Amiga) |
| NORUN | Unknown |
| NOT | Acrobat Spelling File (Adobe Systems Incorporated) |
| NOT | ActiveNote ActiveNote note file (Pascál Bihler) |
| NOT | Composer music notation file (Notation Software) |
| NOT | e-Sword study note file (Rick Meyers) |
| NOT | Musician music notation file (Notation Software) |
| NOT | Note-It Note-It note file (Veign) |
| NOT | The Print Shop note card file (Broderbund) |
| NOTE | Notability Note Notability Note data (Ginger Labs) |
| NOTE | WordPerfect for Macintosh Help Document (Corel Corporation) |
| NOTEBOOK | MimioStudio notebook zip file (Boxlight) |
| NOTEBOOK | SMART Notebook notebook zip file (SMART) |
| NOTEDB | Joplin Note Database |
| NOTEPAD | Apple II operating system Golden Orchard Apple II CD Rom file |
| NOTES | Réviseur de notes Notes File (Fichier de notes) (Francis Gagné) |
| NOTICE | Software distributions, datasets, open-source projects License information |
| NOV | Novlr Novel writing project |
| NOVABACKUP | Nova Launcher Nova Launcher backup |
| NOW | Text File |
| NO_NAME | Microsoft Outlook Meeting requests |
| NP | Cliq Accessories Notepad Text |
| NP | Planner Project Schedule (Nokia) |
| 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 | Noder File |
| NPD | Ultra Network Sniffer Captured Packet (GJPSoft, Inc.) |
| NPDOC | Newspilot Document (Infomaker Scandinavia AB) |
| NPEXT | Newspilot External Document (Infomaker Scandinavia AB) |
| NPF | Jet database backup file (Microsoft Corporation) |
| NPF | Nick-O-Matic Design Factory Project (Riverdeep Interactive Learning Limited) |
| NPF | NTI Backup Now backup file (NTI Corporation) |
| NPF | PC studio data backup file (SAMSUNG) |
| NPG | Die Hard - Nakatomi Plaza Saved Game (Sierra Entertainment, Inc.) |
| NPG | NextPlay Game Data (Covac Software) |
| 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 file (n-Track) |
| NPK | RouterOS operating system upgrade package (MikroTik) |
| NPL | Allplan Plot Layout File (Nemetschek A.G.) |
| NPL | Core Media Player Nefertiti Playlist (CoreCodec, Inc.) |
| NPL | DART Pro 98 Noiseprint Info |
| NPL | Nokia Audio File (Nokia) |
| NPL | Xilinx Integrated Software Environment Project File (Xilinx, Inc.) |
| NPM | Corel Graphics Ver 10 Draw Media Lines File (Corel) |
| NPM | Neopaint Mask |
| NPM | Nokia Phone Picture Message (Nokia) |
| NPM | Norton 360 Identity Safe Profile (Symantec Corporation) |
| NPP | Art Explosion Publisher Pro Document (Nova Development Corporation) |
| NPPP | Nero PhotoSnapViewer, Nitro Pro, STOP ransomware Image, Archive, Document |
| NPS | Agenda File data backup file (Lotus Software) |
| NPS | BackupNow data backup file (NTI) |
| NPS | Mix audio data file (Nero AG and Subsidiaries) |
| NPS | Natron settings file (Natron) |
| NPSK | Norton Security Encrypted Photos |
| NPT | DART Pro 98 Noiseprint Archive Import |
| NPT | Portfolio NetPublish Pre-cursor Templates (Extensis, Inc.) |
| NPV | Pixbend Player Pixbend Media File (Nexilogic) |
| NPV2 | NapsternetV Configuration VPN configuration |
| NPV3 | NapsternetV VPN configuration VPN configuration (Vonmatrix) |
| NPV4 | NapsternetV VPN configuration VPN configuration (Vonmatrix) |
| NPY | Python array file (Python) |
| 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 | NEC Scanner File |
| NRF | Neutral Raster File Bitmap |
| NRF | Nicolet DataViewer Multi-segment Waveform Data (Nicolet Instrument Technologies, Inc.) |
| NRG | Nero compact disc image (Nero) |
| NRG | Norton Internet Security registration entries (Norton) |
| NRH | Nero Hybrid CD-ROM Compilation (Nero AG) |
| NRI | Nero ISO CD-ROM Compilation (Nero AG) |
| NRI | Trickster Online Image (NTREEV SOFT) |
| NRL | iManage link file (iManage) |
| NRM | Nero Mixed-Mode-CD Compilation (Nero AG) |
| NRO | Nintendo Switch Switch executable file |
| NRR | Microsoft TellMe Speech data file |
| 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 burning parameters/references (Nero AG) |
| NRW | PaintShop raw image (Corel) |
| NRW | Photoshop raw image (Adobe) |
| NRW | ViewNX raw image (Nikon) |
| NRX | NeatReceipts SCANALIZER Expense Report File (NeatReceipts) |
| NS | Nexon Launcher Lineage II Data |
| 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) |
| NSA | Notability Zipped Note File |
| NSB | Novaschem School Schedule |
| NSC | Noder File |
| NSC | Windows Media Station File |
| NSCE | NeoEngine Scene File (Reality Rift Studios) |
| NSD | Nero Super Video CD Compilation (Nero AG) |
| NSD | Norton System Doctor Sensors Configuration (Symantec Corporation) |
| NSD | NRG Site Database |
| NSDF | NevoSoftDB Standard Format Database File (NevoSoft) |
| NSE | Nmap Security Scanner Scripting Engine File |
| NSF | NES Sound File |
| NSF | Notes Database (IBM) |
| NSG | Nessie Saved State |
| NSG | Notes Database (Older Form) (IBM) |
| NSH | Notes Database (Older Form) (IBM) |
| NSH | Nullsoft Scriptable Install System (NSIS) Header/Include File |
| NSI | Install System Script (Nullsoft) |
| NSI | NewsStand Reader (NewsStand, Inc.) |
| NSI | Symantec Shared File (Symantec Corporation) |
| 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) |
| NSON | Nintendo Switch, NSON Editor, No Man's Sky Saving game progress |
| NSP | Computerized Speech Lab speech recording (Kay Elemetrics) |
| NSP | Multi-Speech speech recording (Kay Elemetrics) |
| NSP | Nintendo Switch game (Nintendo) |
| NSP | Node Server Pages dynamic web page template (Node Server Pages Developers) |
| NSP | SAP tutorial data (SAP) |
| 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 | Nullsoft (Streaming|S as in Soft) Video (Nullsoft, Inc.) |
| NSV | Winamp3 Video Format File |
| NSX | Apollo Database Engine Index |
| NSX | HiPer-Six Index File |
| NSX | SuccessWare SIX 3.00 Compound Index File |
| NSZ | Tinfoil 5.0 Switch game file (Nintendo) |
| 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 | MediaFACE compact disk label file (NEATO) |
| NTF | Notes database template file (HCL) |
| NTF | Windows font file (Microsoft) |
| NTFS | 7-Zip disk image (Igor Pavlov) |
| NTH | ImageMagick Ver. 5.3.2 Visualmagick JBIG File (ImageMagick Studio LLC) |
| NTH | Series 60 Theme Studio for Symbian OS Theme File (Nokia) |
| 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 | HCL Domino Configuration file (HCL) |
| NTS | Netsend Netsend Executable Text File (Corcentric) |
| NTS | Norman TurboStore Database Data Storage file (Norman) |
| NTS | Norton Norton tutorial file (NortonLifeLock) |
| NTS | Psion Organizer Organiser Notepad File (Psion) |
| NTT | CD Label Template |
| NTT | Neato Label Template (Neato) |
| NTV | PatternSmith Import File (Autometrix) |
| NTW | Lode Data Network (Lode Data Corporation) |
| NTW | LVNet - Low Voltage Networks Analysis |
| NTW | Noteworthy Composer Song File (NoteWorthy Software, Inc.) |
| NTX | Clipper database index file (GrafX) |
| NTX | dBase database index file (dBase) |
| NTX | Marine Navigation navigation and map info file (Teledyne CARIS) |
| NTX | theWord encrypted New Testament copy (Costas Stergiou) |
| NTX | yEnc32 encoded file (Jürgen Helbing) |
| 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 | various software and scripts Empty or placeholder |
| NUM | DOS 7 File |
| NUM | Guitar Chords in Nashville Numbering System Format |
| NUM | Nikon Capture Unsharp Mask File (Nikon Inc.) |
| NUMBER | Apple II operating system Golden Orchard Apple II CD Rom file |
| NUMBERS | Numbers spreadsheet (Apple) |
| NUP | NOD32 Digitally Signed Update File (Eset) |
| NUPKG | NuGet source code zip package (Microsoft) |
| NUPKG | Visual Studio package (Microsoft) |
| NUPKG | Visual Studio source code zip package (Microsoft) |
| NUSM | XnViewMP / Nuance PDF software Encrypted image/document |
| NUSPEC | Visual Studio package specification (Microsoft) |
| NUT | .nugthat Player (Nuggets Unlimited, Inc.) |
| NUT | NUT Open Container |
| NUT | Star Fox: Assault Texture File (Namco Bandai Holdings, Incorporated) |
| NUV | MythTV NuppelVideo Video File |
| NV | Juno access number information (Juno) |
| NV | MAME non-volatile memory RAM (MAME Developers) |
| NV | MVS-20 non-volatile memory backup (Visicontrol) |
| NV | NewViews accounting database (Q.W. Page Associates) |
| 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 | Capture NX vignette correction data (Nikon) |
| NVC | Nero Video video project (Nero AG) |
| NVCX | NVivo Qualitative data package |
| NVD | AOLpress Help |
| NVD | NetworkView Network Discovery |
| NVF | Nomad II Voice File (Creative Technology, Ltd.) |
| NVF | Visicontrol MVS-20 Non-Volatile Memory Backup File |
| NVL | Netviewer Meet Session Recording (Netviewer AG) |
| NVM | AOLpress server map file (AOL) |
| NVM | PCSX2 configuration file (PCSX2) |
| NVP | Nero Effects Filter (Nero AG) |
| NVR | NeverForget Reminder File (National Creative Registry, Inc.) |
| NVRAM | VMware Workstation virtual machine's BIOS settings file (VMware) |
| NVT3 | NetEase video streaming services and players Video streaming |
| 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 | Dispatch Northwest Timetable File (Scott Andrew Borton) |
| NW | Graal Level (Cyberjoueurs) |
| NW | NoteWorthy 2 File |
| NW | Noweb File (Norman Ramsey) |
| NW3 | Netware.3x File |
| NW4 | Netware.4x File |
| NWB | Nikon Capture White Balance File (Nikon Inc.) |
| NWC | NavisWorks File |
| NWC | Noteworthy Composer Song File (NoteWorthy Software, Inc.) |
| NWD | NavisWorks design review document (Autodesk) |
| NWF | NavisWorks design review (Autodesk) |
| NWF | Nintex SDK workflow (Nintex) |
| NWF | WaveEditor audio project (Nero) |
| 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 | CreataCard newsletter/photo album/presentation/report covers/resume project file (American Greetings) |
| NWS | Outlook Express mail newsgroup file (Microsoft) |
| NWS | Windows Live Mail mail newsgroup file (Microsoft) |
| NWV | Dragon NaturallySpeaking User Profile File (Scansoft, Inc.) |
| NWX | NWX Editor (TheOutlawDad) |
| NWX | Outlaws Choreography (LucasArts Entertainment Company LLC) |
| 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 | NEXUS Expansion Pack (reFX Audio Software Inc.) |
| NXS | Apple II operating system Golden Orchard Apple II CD Rom file |
| NXT | NeXT Sound File |
| NY | Audacity plugin (Audacity Team) |
| NYF | Mybase Database (WJJ Software) |
| NYM | Sheffield Dictionary File |
| NYT | Times Reader Article (New York Times) |
| NZ | Audio Utility Tuningwrench Compressed File NanoZip Compressed Archive File |
| NZ | NanoZip compressed archive file (Sami Runsas) |
| NZB | Newzbin post retrieval data (Newzbin) |
| NZL | Corel Painter Nozzle File |
| NZN | NoteZilla Sticky Note (Conceptworld Corporation) |
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