Alphabetically: N
Extension File Description File Type
N-Gage Application
Game
Knight Online 3D Mesh File
Game
Nintendo 64 Emulator ROM File
Game
Netscape Address Book File
Misc
Napster Secured Music File
Audio
Nintendo DS Archive File
Game
Counter-Strike Bot Navigation File
Game
WinAVI Temporary Navigation File
Misc
Total Overdose Game Data File
Game
.nb
Mathematica Notebook
Spreadsheet
Device Boot Loader Image
System
NovaBACKUP Output File
Backup
Nero BackItUp Archive
Backup
Backup Now Archive
Backup
Nero BackItUp Information File
Backup
SMART Notebook File
Data
Mathematica Player Notebook File
Data
Nokia Phone Backup File
Backup
.nc
Mastercam Numerical Control File
CAD
Visual C++ IntelliSense Database
Developer
Nero CoverDesigner File
Raster Image
No Cache File
Game
ArcGIS Explorer Configuration File
Settings
Outlook Express Folder File
Misc
Nero BackItUp File
Backup
Adobe Encore Project File
Video
NCR Image
Raster Image
Nero CoverDesigner Template
Raster Image
Nero CoverDesigner Wizard File
Misc
EPUB Navigation Control XML File
Misc
.nd
QuickBooks Network Data File
Settings
Renamed NDS File
Misc
ClamAV Extended Signature File
Data
Personal Communications Settings File
Settings
SQL Server Secondary Database File
Database
Nokia Data File
Data
Lotus Notes Design Elements File
Data
Nintendo DS Game ROM
Game
dBASE Index File
Data
Nikon Electronic Format RAW Image File
Raster Image
NeoChrome Bitmap Image
Raster Image
Nintendo (NES) ROM File
Game
netViz Project File
Data
Netica Binary File
Data
Pro/ENGINEER Neutral File
CAD
Nokia Phone Backup File
Backup
Nokia Phone Backup Copy File
Backup
Neutral File Format
3D Image
Dreambox Disc Image
Disk Image
Warez Information File
Text
Network File System Temporary File
Misc
N-Gage Game File
Game
Interface Resources
Developer
Outlook 2000 Nickname File
Misc
Gamebryo Model File
3D Image
National Imagery Transmission Format File
Data
Nikon Photo Index File
Misc
Nero Job Information File
Settings
Outlook 2002 Nickname File
Misc
KONTAKT Instrument File
Audio
Microsoft National Language Support File
System
NoLimits Roller Coaster Track File
Game
ArcGIS Explorer Map Content File
GIS
ArcGIS Explorer Map File
GIS
NovaMind Mind Map File
Data
.nn
Nero CD File List
Disk Image
ANNI Neural Network Investing File
Data
ANNI Neural Network Portfolio File
Data
Notation File
Data
SMART Notebook File
Data
Memento Notes File
Text
Readme File
Text
.np
Portfolio NetPublish File
Data
Nokia Playlist File
Data
Art Explosion Publisher Pro Document
Layout
Nuendo Project File
Data
Portfolio NetPublish Template
Data
Not Quite C Source Code File
Developer
Nero Audio Compilation
Audio
Nero CD-ROM Boot Compilation
Data
Nero Disc Compilation File
Data
Nero DVD-Video Compilation File
Data
Nero CD/DVD Image File
Disk Image
Nero ISO CD Compilation File
Disk Image
Autonomy Interwoven Link File
Data
Nero Mixed Mode CD Compilation
Data
NovaBACKUP Restore Script
Backup
Nokia Ringtone
Audio
Nero UDF CD-ROM Compilation
Data
Nikon Raw Image File
Raster Image
Lotus Notes 2 Database
Database
Lotus Notes 3 Database
Database
Lotus Notes 4 Database
Database
Nullsoft Streaming Audio File
Audio
Nintendo DS Model Animation File
Game
Nintendo DS Model File
Game
Nintendo DS Model Texture File
Game
Lotus Notes Database
Database
NScheduler Data File
Data
Magnetic Screensaver File
Misc
NoiseTracker Module
Audio
Nullsoft Streaming Video File
Video
.nt
Windows NT Startup File
System
Camera Control Pro Custom Curves File
Settings
MediaFACE II CD Label File
Misc
Nokia Series 40 Theme File
Misc
NOTION Song File
Audio
Pacific FIghters Online Track File
Game
Lotus Notes Traveler Server Config File
Settings
Clipper Index File
Data
Numbers Spreadsheet File
Spreadsheet
Smart Security Update File
Misc
NuppelVideo File
Video
.nv
MAME NVRAM File
Game
NeroVision Express Project File
Video
Creative Labs NVF Audio File
Audio
UniChem Results File
Data
NoteWorthy Composer File
Audio
NoteWorthy Composer Text File
Text
Sony NWM Display Screen File
Misc
Magnetic Wallpaper File
Misc
Dragon NaturallySpeaking User Archive
Settings
NXC Source Code File
Developer
eSite Builder NXG Web Page
Web
.ny
Nyquist Plug-in
Plugin
myBase Database File
Database
NewzBin Usenet Index File
Web