Category Overview

Data File Extensions

Data file extensions are used by databases, applications, scientific tools, configuration systems, and structured datasets. Browse the formats below to identify a data file and find software that may read, import, edit, or export it.

441
Data Extensions
Category Guide

How to identify and use data file formats

Data files can be plain text, structured records, binary databases, caches, or application-specific resources. Avoid editing an unknown data file directly, keep a backup, and use the application that originally created it whenever possible.

Filter Extensions

Filter this category by the first letter of the extension.

441 Data Extensions Available
.TRN

TRN

TRN files are typically associated with training data used in machine learning and artificial intelligence applications. These files co...

Data
.ARFF

Attribute-Relation File Format

The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Group at the University of Waikato fo...

Data
.DJVU

DjVu Document

DjVu (pronounced "déjà vu") is a file format primarily designed for storing scanned documents, especially those containing text, photo...

Data
.SMI

Synchronized Multimedia Integration Language

The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a text-based markup...

Data
.SLDPRT

SolidWorks Part Document

A .sldprt file is a 3D CAD (Computer-Aided Design) part file created by SolidWorks, a popular solid modeling software application devel...

Data
.ASCII GRID

ASCII Grid

The ASCII Grid file format (.asc) is a plain text raster data format commonly used for representing spatial data, particularly elevatio...

Data
.3DXML

3D XML

3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It is primarily used...

Data
.GRD

Golden Software Grid File

A .GRD file is a grid data file format primarily associated with Golden Software's Surfer software. Surfer is a powerful contouring, gr...

Data
.GEOPACKAGE

GeoPackage

GeoPackage is an open, standards-based, platform-independent, portable, self-describing, and compact format for transferring geospatial...

Data
.MESSAGEPACK

MessagePack

MessagePack is a binary serialization format. It is used for efficient data interchange between different programming languages and sys...

Data
.SQL

Structured Query Language File

A .sql file is a plain text file containing SQL (Structured Query Language) code. SQL is a standard programming language used for manag...

Data
.TOPOJSON

TopoJSON

TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries as independent sets of coordinates, Topo...

Data
.DUMP

Memory Dump File

A memory dump file (.dump) is a snapshot of the memory of a computer system or a specific process at a particular point in time. It con...

Data
.IGS

Initial Graphics Exchange Specification

The IGES (Initial Graphics Exchange Specification) file format, identified by the .igs extension, is a vendor-neutral file format desig...

Data
.VSDM

Visio Macro-Enabled Drawing

A VSDM file is a drawing created by Microsoft Visio, a diagramming and vector graphics application. It's similar to a VSDX file, but it...

Data
.WEBVTT

Web Video Text Tracks

The WebVTT (Web Video Text Tracks) file format is a text-based format used for displaying timed text tracks, such as subtitles, caption...

Data
.FXP

FastReport Report File (Compiled)

The FXP file extension is primarily associated with compiled report files generated by FastReport, a popular reporting tool often used...

Data
.FDX

Final Draft Document

The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the film and televi...

Data
.PARASOLID

Parasolid Model Part

The Parasolid file format (.x_t, .x_b, .xmt_txt, .xmt_bin) is a geometric modeling kernel format widely used in CAD/CAM/CAE software. I...

Data
.STACKDUMP

Stack Dump File

A stackdump file is a memory dump file generated by software applications, operating systems, or hardware devices when they encounter a...

Data
.WKT

Well-known Text

Well-known Text (WKT) is a text markup language for representing vector geometry objects. It's a human-readable text format that allows...

Data
.MOT

Motorola S-Record

The .mot file extension represents a Motorola S-Record file. This is a text-based file format used to represent binary data, primarily...

Data
.WPD

WordPerfect Document

The .wpd file extension is primarily associated with WordPerfect, a word processing application developed by Corel. This format is used...

Data
.CONFIG

Configuration File

A 'config' file is a generic file extension used to store configuration settings for various software applications. These files typical...

Data
.TRN

TRN

TRN files are typically associated with training data used in machine learning and artificial intelligence applications. These files contain datasets...

.ARFF

Attribute-Relation File Format

The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Group at the University of Waikato for describing da...

.DJVU

DjVu Document

DjVu (pronounced "déjà vu") is a file format primarily designed for storing scanned documents, especially those containing text, photographs, and lin...

.SMI

Synchronized Multimedia Integration Language

The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a text-based markup language used...

.SLDPRT

SolidWorks Part Document

A .sldprt file is a 3D CAD (Computer-Aided Design) part file created by SolidWorks, a popular solid modeling software application developed by Dassaul...

.ASCII GRID

ASCII Grid

The ASCII Grid file format (.asc) is a plain text raster data format commonly used for representing spatial data, particularly elevation models, terra...

.3DXML

3D XML

3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It is primarily used for lightweigh...

.GRD

Golden Software Grid File

A .GRD file is a grid data file format primarily associated with Golden Software's Surfer software. Surfer is a powerful contouring, gridding, and sur...

.GEOPACKAGE

GeoPackage

GeoPackage is an open, standards-based, platform-independent, portable, self-describing, and compact format for transferring geospatial information. I...

.MESSAGEPACK

MessagePack

MessagePack is a binary serialization format. It is used for efficient data interchange between different programming languages and systems. Unlike hu...

.SQL

Structured Query Language File

A .sql file is a plain text file containing SQL (Structured Query Language) code. SQL is a standard programming language used for managing and manipul...

.TOPOJSON

TopoJSON

TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries as independent sets of coordinates, TopoJSON geometries...

.DUMP

Memory Dump File

A memory dump file (.dump) is a snapshot of the memory of a computer system or a specific process at a particular point in time. It contains the raw d...

.IGS

Initial Graphics Exchange Specification

The IGES (Initial Graphics Exchange Specification) file format, identified by the .igs extension, is a vendor-neutral file format designed for transfe...

.VSDM

Visio Macro-Enabled Drawing

A VSDM file is a drawing created by Microsoft Visio, a diagramming and vector graphics application. It's similar to a VSDX file, but it contains macro...

.WEBVTT

Web Video Text Tracks

The WebVTT (Web Video Text Tracks) file format is a text-based format used for displaying timed text tracks, such as subtitles, captions, descriptions...

.FXP

FastReport Report File (Compiled)

The FXP file extension is primarily associated with compiled report files generated by FastReport, a popular reporting tool often used in conjunction...

.FDX

Final Draft Document

The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the film and television industry...

.PARASOLID

Parasolid Model Part

The Parasolid file format (.x_t, .x_b, .xmt_txt, .xmt_bin) is a geometric modeling kernel format widely used in CAD/CAM/CAE software. It's a proprieta...

.STACKDUMP

Stack Dump File

A stackdump file is a memory dump file generated by software applications, operating systems, or hardware devices when they encounter a critical error...

.WKT

Well-known Text

Well-known Text (WKT) is a text markup language for representing vector geometry objects. It's a human-readable text format that allows for the repres...

.MOT

Motorola S-Record

The .mot file extension represents a Motorola S-Record file. This is a text-based file format used to represent binary data, primarily for programming...

.WPD

WordPerfect Document

The .wpd file extension is primarily associated with WordPerfect, a word processing application developed by Corel. This format is used to store docum...

.CONFIG

Configuration File

A 'config' file is a generic file extension used to store configuration settings for various software applications. These files typically contain para...