Category Overview

Data File Extensions

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

386
Data Extensions

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386 Data extensions available
.BLEND

Blender Project File

A .blend file is the native file format used by Blender, a free and open-source 3D creation suite. It stores all the data necessary for...

Data
.3DM

Rhino 3D Model

The 3DM file format is a file extension used by Rhinoceros 3D, a popular NURBS (Non-Uniform Rational B-Splines) modeling software. It i...

Data
.GPX

GPS Exchange Format

The GPX (GPS Exchange Format) file format is an XML schema designed for transferring GPS data between applications and web services. It...

Data
.REG

Registry Entries

A .reg file is a text-based file format used by Microsoft Windows to store and import registry settings. The Windows Registry is a hier...

Data
.SDB

StarOffice Database

The SDB file extension is primarily associated with StarOffice and OpenOffice.org, specifically their database component, Base. It repr...

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
.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
.BINARY (.BIN)

Binary File

A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text files, binary fi...

Data
.TRN

TRN

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

Data
.X3D

Extensible 3D Graphics

X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successor to VRML (Virt...

Data
.STEP

Standard for the Exchange of Product Data

STEP files, identified by the '.step' or '.stp' extension, are a widely used ISO standard (ISO 10303) for representing 3D product manuf...

Data
.ASCIIDOC

AsciiDoc

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It'...

Data
.XSPF

XML Shareable Playlist Format

XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different me...

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
.ESRI GRID

Esri Grid

The Esri Grid format is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It's a fundamenta...

Data
.TOPOJSON

TopoJSON

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

Data
.DXF

Drawing Exchange Format

The Drawing Exchange Format (DXF) is a CAD (Computer-Aided Design) data file format developed by Autodesk for enabling data interoperab...

Data
.POL

Plain Old Telephone

The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration informatio...

Data
.TTML

Timed Text Markup Language

TTML (Timed Text Markup Language) is an XML-based text format designed for representing timed text information. It's primarily used for...

Data
.DJVU

DjVu Document

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

Data
.HDD

Hard Disk Image

A .hdd file is a hard disk image file, essentially a complete sector-by-sector copy of a physical hard drive or a partition. It contain...

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
.STP

Standard for the Exchange of Product Data

The .stp file extension, also known as STEP (Standard for the Exchange of Product Data), represents a 3D graphic file format used for s...

Data
.DXF (.DXF)

Drawing Exchange Format

The DXF (Drawing Exchange Format) file extension represents a CAD (Computer-Aided Design) data file format developed by Autodesk for en...

Data
.BLEND

Blender Project File

A .blend file is the native file format used by Blender, a free and open-source 3D creation suite. It stores all the data necessary for a Blender proj...

.3DM

Rhino 3D Model

The 3DM file format is a file extension used by Rhinoceros 3D, a popular NURBS (Non-Uniform Rational B-Splines) modeling software. It is the native fi...

.GPX

GPS Exchange Format

The GPX (GPS Exchange Format) file format is an XML schema designed for transferring GPS data between applications and web services. It is an open and...

.REG

Registry Entries

A .reg file is a text-based file format used by Microsoft Windows to store and import registry settings. The Windows Registry is a hierarchical databa...

.SDB

StarOffice Database

The SDB file extension is primarily associated with StarOffice and OpenOffice.org, specifically their database component, Base. It represents a databa...

.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...

.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...

.BINARY (.BIN)

Binary File

A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text files, binary files contain dat...

.TRN

TRN

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

.X3D

Extensible 3D Graphics

X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successor to VRML (Virtual Reality Mod...

.STEP

Standard for the Exchange of Product Data

STEP files, identified by the '.step' or '.stp' extension, are a widely used ISO standard (ISO 10303) for representing 3D product manufacturing inform...

.ASCIIDOC

AsciiDoc

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It's designed for ...

.XSPF

XML Shareable Playlist Format

XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different media players and...

.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...

.ESRI GRID

Esri Grid

The Esri Grid format is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It's a fundamental format for st...

.TOPOJSON

TopoJSON

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

.DXF

Drawing Exchange Format

The Drawing Exchange Format (DXF) is a CAD (Computer-Aided Design) data file format developed by Autodesk for enabling data interoperability between A...

.POL

Plain Old Telephone

The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration information or data relat...

.TTML

Timed Text Markup Language

TTML (Timed Text Markup Language) is an XML-based text format designed for representing timed text information. It's primarily used for subtitling and...

.DJVU

DjVu Document

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

.HDD

Hard Disk Image

A .hdd file is a hard disk image file, essentially a complete sector-by-sector copy of a physical hard drive or a partition. It contains all the 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. It's a proprieta...

.STP

Standard for the Exchange of Product Data

The .stp file extension, also known as STEP (Standard for the Exchange of Product Data), represents a 3D graphic file format used for storing 3D model...

.DXF (.DXF)

Drawing Exchange Format

The DXF (Drawing Exchange Format) file extension represents a CAD (Computer-Aided Design) data file format developed by Autodesk for enabling data int...

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.