Category Overview

Data File Extensions

Browse all Data file extensions with detailed information about compatibility, usage, and alternatives.

8
Data Extensions

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8 Data extensions available
.NDF

SQL Server Secondary Data File

An NDF file is a secondary data file used by Microsoft SQL Server. SQL Server databases are typically stored across multiple files for ...

Data
.NDX

Index File

The NDX file extension is a generic index file format used by a wide variety of software applications to store pointers, references, or...

Data
.NETCDF

Network Common Data Form

NetCDF (Network Common Data Form) is a set of software libraries and self-describing, machine-independent data formats that support the...

Data
.NFC

Nintendo Family Computer ROM

An NFC file is a ROM (Read-Only Memory) image of a game cartridge for the Nintendo Family Computer (Famicom), the Japanese version of t...

Data
.NKSN

Unrecognized File Format

The 'nksn' file extension does not correspond to a widely recognized or standard file format in public databases or common software app...

Data
.NOS

Nokia Operator Settings File

The NOS file extension is primarily associated with Nokia Operator Settings. These files were historically used by Nokia mobile devices...

Data
.NUMBERS

Numbers Spreadsheet

The .numbers file extension is associated with Apple's Numbers application, a spreadsheet program that is part of the iWork suite. Numb...

Data
.NX PART (.PRT)

NX Part File (.prt)

A .prt file is a part file created by Siemens NX (formerly Unigraphics NX), a professional CAD/CAM/CAE software suite. It contains 3D m...

Data
Frequently Asked Questions

About Data Files

Common questions about this file category and related extensions.

Frequently Asked Questions

3 Questions

File extension categories are organized based on file purpose and usage, such as document files, image formats, audio files, video files, and system-related extensions.

Yes, you can browse file extensions alphabetically to quickly find extensions starting with a specific letter.

Each extension page includes a clear description, typical use cases, compatible software, supported platforms, and related or alternative file formats.