.NAL | Novell, Inc. | Ficheiros de Dados | Novell ZENworks Suite Network Delivered Application Shortcut File Format | Microsoft system center configuration manager | Microsoft Corporation |
.NAP | McAfee, Inc. | Ficheiros de Dados | McAfee ePO Network Associates Package | Microsoft Windows Media Player | Microsoft Corporation |
.NATVIS | Microsoft Corporation | Ficheiros de Dados | Microsoft Visual Studio Text Data | Microsoft Visual Studio | Microsoft Corporation |
.NAV | Valve | Ficheiros de Jogo | Id Tech 3 Bot Navigation File | MSN Explorer | Microsoft Corporation |
.NB0 | Unknown Developer | Ficheiros de Sistema | Device Boot Loader Image | Microsoft Windows CE Device Emulator | Microsoft Corporation |
.NC | CNC Software | Ficheiros CAD | Mastercam Numerical Control File | Microsoft Excel | Microsoft Corporation |
.NCB | Microsoft Corporation | Ficheiros de Desenvolvedor | Visual C++ IntelliSense Database | Microsoft Visual Studio | Microsoft Corporation |
.NCH | Microsoft Corporation | Ficheiros de Áudio | On Hold Message/Music File | Microsoft Outlook Express | Microsoft Corporation |
.NDF | Microsoft Corporation | Ficheiros de Base de Dados | SQL Server Secondary Database File | Microsoft SQL Server | Microsoft Corporation |
.NDX | Unknown Developer | Ficheiros de Dados | dBASE Index File | Microsoft Visual FoxPro | Microsoft Corporation |
.NEF | Nikon | Ficheiros Raw de Câmera | Nikon Electronic Format Camera RAW Image | Microsoft Windows Photos | Microsoft Corporation |
.NFO | Microsoft Corporation | Ficheiros de Sistema | System Information File | Microsoft System Information | Microsoft Corporation |
.NGR | NEPLAN AG | Ficheiros de Dados | NEPLAN Graphic Data | Microsoft Windows | Microsoft Corporation |
.NHM | Microsoft Corporation | Ficheiros de Dados | Microsoft Systems Management Server (SMS) Data | Microsoft Systems Management Server | Microsoft Corporation |
.NICK | Microsoft Corporation | Uncommon Files | Microsoft Outlook Nickname File | Microsoft Outlook | Microsoft Corporation |
.NIP | Microsoft Corporation | Ficheiros Codificados | Microsoft DRM (Digital Right Management) File | Microsoft Windows Media Player | Microsoft Corporation |
.NK2 | Microsoft Corporation | Uncommon Files | Outlook 2002 Nickname File | Microsoft Outlook | Microsoft Corporation |
.NLD | ATI Technologies | Ficheiros de Sistema | ATI Radeon Video Driver File | Microsoft Windows | Microsoft Corporation |
.NLS | Uri Wilensky | Ficheiros de Desenvolvedor | NetLogo Source Code File | Microsoft WordPad | Microsoft Corporation |
.NMF | ESRI | Ficheiros GIS | ArcGIS Explorer Map File | Internet Explorer | Microsoft Corporation |
.NMM | Microsoft Corporation | Ficheiros de Vídeo | Microsoft 3D Movie Maker Recorded Video | 3D Movie Maker | Microsoft Corporation |
.NMW | Microsoft Corporation | Ficheiros de Dados | Microsoft NetMeeting T126_Whiteboard File Format | Microsoft NetMeeting | Microsoft Corporation |
.NOW | The Document Foundation | Ficheiros de Texto | Readme Text Document File | Microsoft Notepad | Microsoft Corporation |
.NRW | Nikon | Ficheiros Raw de Câmera | Nikon Raw Image File | Microsoft Windows Photos | Microsoft Corporation |
.NSG | IBM | Ficheiros de Base de Dados | Lotus Notes Database | Nessie | Microsoft Corporation |
.NST | Microsoft Corporation | Ficheiros de Dados | Outlook Connector For Notes File | Microsoft Outlook | Microsoft Corporation |
.NT | Microsoft Corporation | Ficheiros de Sistema | Windows NT Startup File | Microsoft Windows | Microsoft Corporation |
.NTF | Open Source | Ficheiros de Fonte | Windows Font File | Microsoft Windows | Microsoft Corporation |
.NWS | Microsoft Corporation | Ficheiros de Dados | Windows Live Mail Newsgroup File | Microsoft Outlook Express | Microsoft Corporation |