Category Overview

Data File Extensions

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

380
Data Extensions

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380 Data extensions available
.OBJ (.OBJ)

Wavefront OBJ File

The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualiz...

Data
.MDB

Microsoft Access Database

The MDB file extension is primarily associated with Microsoft Access, a database management system (DBMS) from Microsoft. MDB files sto...

Data
.AUTOCAD (DWG, DXF)

Drawing File

DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the nativ...

Data
.CSV

Comma Separated Values

A CSV (Comma Separated Values) file is a plain text file that stores tabular data (numbers and text) in a simple, structured format. Ea...

Data
.JSON

JavaScript Object Notation

JSON (JavaScript Object Notation) is a lightweight, human-readable data-interchange format. It is widely used for transmitting data bet...

Data
.GEOTIFF

GeoTIFF

GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF (Tagged Image File Fo...

Data
.STEP (.STP, .STEP)

Standard for the Exchange of Product Data

STEP (Standard for the Exchange of Product Data) files, identified by the extensions .stp or .step, are a widely used ISO standard (ISO...

Data
.GLB

glTF Binary

glTF (GL Transmission Format) is a royalty-free, open standard for 3D scene and model transmission, developed by the Khronos Group. The...

Data
.STL

Stereolithography

The STL (Stereolithography) file format is a widely used file format for representing 3D surface geometry. It is primarily used for rap...

Data
.IGES

Initial Graphics Exchange Specification

The IGES (Initial Graphics Exchange Specification) file format is a vendor-neutral file format that allows the digital exchange of info...

Data
.PARASOLID (X_T, X_B)

Parasolid Model Part

Parasolid files, typically with extensions like .x_t (text) or .x_b (binary), are a common format for representing 3D solid models. The...

Data
.SQLITE

SQLite Database File

The .sqlite file extension typically indicates a database file created using the SQLite database management system. SQLite is a self-co...

Data
.XSL

Extensible Stylesheet Language

XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting XML (Extensible Markup Language) doc...

Data
.QCOW2

QEMU Copy On Write version 2

QCOW2 (QEMU Copy On Write version 2) is a disk image format used by QEMU, a popular open-source virtualization solution. It's designed ...

Data
.XLSX

Microsoft Excel Open XML Spreadsheet

The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel 2007. It's based on the Open XML st...

Data
.IMG

Disk Image File

An IMG file is a disk image, a single file containing the complete structure and contents of a data storage medium, such as a hard driv...

Data
.ACIS (.SAT)

ACIS Solid Model

The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Sys...

Data
.FBX

Filmbox

The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data ...

Data
.YAML

YAML Ain't Markup Language

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that is often used for configuration files and in app...

Data
.MDMP

Minidump File

A .mdmp file, short for Minidump file, is a crash dump file format used by the Windows operating system and other applications. It cont...

Data
.SOLIDWORKS (SLDPRT)

SolidWorks Part

A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software used for designing and engineeri...

Data
.HGT

SRTM Height Terrain

The .hgt file extension is associated with SRTM (Shuttle Radar Topography Mission) data. These files contain elevation data, representi...

Data
.VSDX

Visio Drawing

VSDX is the file extension for drawings created with Microsoft Visio, a diagramming and vector graphics application. It's the primary f...

Data
.BAK.OLD

Backup File

A .bak file is a backup file, a common extension used to denote a copy of data created for recovery purposes in case the original data ...

Data
.OBJ (.OBJ)

Wavefront OBJ File

The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualizer animation pa...

.MDB

Microsoft Access Database

The MDB file extension is primarily associated with Microsoft Access, a database management system (DBMS) from Microsoft. MDB files store the entire d...

.AUTOCAD (DWG, DXF)

Drawing File

DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the native format for Au...

.CSV

Comma Separated Values

A CSV (Comma Separated Values) file is a plain text file that stores tabular data (numbers and text) in a simple, structured format. Each line of the ...

.JSON

JavaScript Object Notation

JSON (JavaScript Object Notation) is a lightweight, human-readable data-interchange format. It is widely used for transmitting data between a server a...

.GEOTIFF

GeoTIFF

GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF (Tagged Image File Format) file. Thi...

.STEP (.STP, .STEP)

Standard for the Exchange of Product Data

STEP (Standard for the Exchange of Product Data) files, identified by the extensions .stp or .step, are a widely used ISO standard (ISO 10303) for rep...

.GLB

glTF Binary

glTF (GL Transmission Format) is a royalty-free, open standard for 3D scene and model transmission, developed by the Khronos Group. The 'glb' file ext...

.STL

Stereolithography

The STL (Stereolithography) file format is a widely used file format for representing 3D surface geometry. It is primarily used for rapid prototyping,...

.IGES

Initial Graphics Exchange Specification

The IGES (Initial Graphics Exchange Specification) file format is a vendor-neutral file format that allows the digital exchange of information among C...

.PARASOLID (X_T, X_B)

Parasolid Model Part

Parasolid files, typically with extensions like .x_t (text) or .x_b (binary), are a common format for representing 3D solid models. They are the nativ...

.SQLITE

SQLite Database File

The .sqlite file extension typically indicates a database file created using the SQLite database management system. SQLite is a self-contained, server...

.XSL

Extensible Stylesheet Language

XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting XML (Extensible Markup Language) documents. It\'s p...

.QCOW2

QEMU Copy On Write version 2

QCOW2 (QEMU Copy On Write version 2) is a disk image format used by QEMU, a popular open-source virtualization solution. It's designed to be a flexibl...

.XLSX

Microsoft Excel Open XML Spreadsheet

The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel 2007. It's based on the Open XML standard, which u...

.IMG

Disk Image File

An IMG file is a disk image, a single file containing the complete structure and contents of a data storage medium, such as a hard drive, floppy disk,...

.ACIS (.SAT)

ACIS Solid Model

The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). SAT ...

.FBX

Filmbox

The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data between differe...

.YAML

YAML Ain't Markup Language

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that is often used for configuration files and in applications where...

.MDMP

Minidump File

A .mdmp file, short for Minidump file, is a crash dump file format used by the Windows operating system and other applications. It contains a snapshot...

.SOLIDWORKS (SLDPRT)

SolidWorks Part

A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software used for designing and engineering mechanical p...

.HGT

SRTM Height Terrain

The .hgt file extension is associated with SRTM (Shuttle Radar Topography Mission) data. These files contain elevation data, representing terrain heig...

.VSDX

Visio Drawing

VSDX is the file extension for drawings created with Microsoft Visio, a diagramming and vector graphics application. It's the primary file format used...

.BAK.OLD

Backup File

A .bak file is a backup file, a common extension used to denote a copy of data created for recovery purposes in case the original data is lost or corr...

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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.