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    IT Management 4 min read

    Letter N: Data Formats & File Extensions

    Find data formats and their file extensions starting with N.

    With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

    Data File Formats that Begin with the Letter ‘N’

    .na2 Netscape Mail file
    .nam MS Office Name file
    .nap Naplps file (VideoShow) (EnerGraphics)
    .nav MSN Application Extension
    .nb Text file (Nota Bene)
    .nbf Backup Now Backup file
    .nbu Nokia PC Suite Backup file
    .nc Graphics (netcdf)
    Instructions for NC (Numerical Control) machine (CAMS)
    .ncb MS Developer Studio file
    .ncc Cnc (Computer Numeric Control) control file (CamView 3D)
    .ncd Nero CoverDesigner Document file
    Norton Change Directory support file (Norton Commander)
    NTI CD-Maker file
    .ncf Lotus Notes Internal Clipboard
    Steam Configuration file
    Netware Command file
    .nch Outlook Express folder file
    On Hold message/music file
    .nd5 NDS Renamed file
    .ndb Network database (Intellicom – Compex)
    .nde Video format – various manufactures of surveillance camera systems
    .ndf NeoPlanet Browser File
    .ndk Lotus Notes(containing the files related to workspace)
    .ndx Index file (dBASE II – III – IV – dBFast)
    .neb Nortec H.E.L.P.
    .ned MSN Application Extension
    .nef Nikon’s RAW format for digital cameras (Nikon Electronic Format)
    .neo Raster graphics (Atari Neochrome)
    .nes Nintendo Entertainment System ROM Image
    .net Network configuration/info file
    .new New info
    .nfo Info file
    .ng Online documentation database (Norton Guide)
    .ngf Enterasys Networks NetSight generated format file
    .ngg Nokia Group Graphics
    .nh NetHack file
    .nib Adobe AIR file
    .nif NetImmerse File Format
    .njb Photo Index file
    .nlm Netware Loadable Module
    .nls Code Page National Language Support
    .nlx Form (FormWorx 3.0)
    .nmd SwordSearcher file
    .nmi SwordSearcher file
    .nmo Virtools Behavioral Objects
    .nms Numega Softice’s Loader file
    Virtools Graphical Scripts
    .nnb newnovelist Story Outline
    .nob VersaPro Word Exchange file
    .nol Nokia Operator Logo
    .not Acrobat Spelling file
    ActiveNote Post-It-Notes
    .now Text file
    .np Project schedule (Nokia Planner) (Visual Planner 3.x)
    .npa ReliaSoft Weibull++ 6
    .npf Backup Now Image file
    .npi Source for DGEN.EXE intepreter (dBASE Application Generator)
    .nra Nero Audio-CD Compilation
    .nrb Nero CD-ROM Boot Compilation
    .nrg Norton Registration Entries
    Nero CD-Image
    IsoBuster file
    NRG File Format
    .nri Nero ISO CD-ROM compilation
    .nrl iManage file
    .nrw Nero WMA Compilation file
    Nikon RAW file
    .nsc Noder file (Polish)
    Windows Media Station file
    .nsf Lotus Notes / Domino database
    .nsi Nullsoft Install System Script
    .nst Music (NoiseTracker)
    .nt Startup files (Windows NT)
    .ntf Lotus Notes / Domino template file
    .nth Nokia Theme file
    .ntp Neato CD Labels
    .ntr Executable ASCII text file (strip header and rename) (
    .nts Tutorial (Norton)
    Executable ASCII text file (strip header and rename) (
    .ntx Index (Clipper 5)
    .ntz InVircible Directory Integrity Information
    .nu4 Norton Utilities Root File (DLL) Symantec Corporation
    .nuf Message for new users on their 1st call (Procomm Plus)
    .numbers iWork Numbers Spreadsheet file
    .nup Program Component Update files
    .nvc Nero Vision Project file
    .nvm AOLpress Help file
    .nwc Noteworthy Composer song file
    .nws Info text file (latest news) (ASCII)
    .nwr New World Report Aegis/MSP Law Enforcement Records (New World Systems)
    .nwt New World Text Aegis/MSP Law Enforcement Records (New World Systems)
    .nxt Sound (NeXT format)
    .nzb NewsBin Index file

    Recommended Reading: An Introduction to Data File Formats and Their File Extensions

    This article was originally published on June 24, 2010