Category Overview

Data File Extensions

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

380
Data Extensions

Filter extensions

Filter by letter:

380 Data extensions available
.DWG

Drawing

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

Data
.TMP

Temporary File

A .tmp file is a generic temporary file created by various programs and operating systems. These files are used to hold data temporaril...

Data
.RFA

Revit Family File

An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and construc...

Data
.GRIB

GRIdded Binary

GRIB (GRIdded Binary) is a concise data format commonly used in meteorology to store and exchange gridded data, such as weather forecas...

Data
.TOML

Tom's Obvious, Minimal Language

TOML is a configuration file format that is easy to read due to its simple syntax. It is designed to be easily parsed into data structu...

Data
.SQLITEDB

SQLite Database

A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database eng...

Data
.HEX

Intel HEX File

The Intel HEX file format is a widely used ASCII text file format for conveying binary data, primarily for programming microcontrollers...

Data
.INF

Setup Information File

An INF file, short for Setup Information file, is a plain text file format used by Microsoft Windows for installing software and hardwa...

Data
.CRASH

Crash Dump File

A .crash file is a crash report generated by macOS and iOS operating systems when an application unexpectedly terminates or encounters ...

Data
.FB2

FictionBook 2.0

FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardized way. Its mai...

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
.HDMP

Windows Heap Dump File

A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time...

Data
.VRML

Virtual Reality Modeling Language

VRML (Virtual Reality Modeling Language) is a standard file format for representing 3D interactive vector graphics, designed particular...

Data
.COLLADA

COLLADA Document

COLLADA (COLLAborative Design Activity) is an open standard XML schema for exchanging digital assets among various graphics software ap...

Data
.S3DB

SQLite3 Database File

The .s3db file extension represents a database file used by SQLite, a self-contained, serverless, zero-configuration, transactional SQL...

Data
.CRDOWNLOAD

Chrome Partial Download File

A .crdownload file is a temporary file extension used by the Google Chrome web browser (and Chromium-based browsers like Microsoft Edge...

Data
.RVT

Autodesk Revit Project

The RVT file extension is associated with Autodesk Revit, a Building Information Modeling (BIM) software used extensively in the archit...

Data
.ODB

OpenDocument Database

The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the d...

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
.PROTOBUF

Protocol Buffer

Protocol Buffers (protobuf) is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It's similar...

Data
.GML

Geography Markup Language

Geography Markup Language (GML) is an XML grammar defined by the Open Geospatial Consortium (OGC) used to express geographical features...

Data
.RCFILE

Resource Configuration File

An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a histo...

Data
.ACIS (.SAT, .SAB)

ACIS Solid Model

The ACIS (.sat, .sab) file format is a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). I...

Data
.MDF

Media Disc Image File

An MDF file is a disc image file, often associated with Alcohol 120%, a disc imaging and burning software. It's essentially a complete ...

Data
.DWG

Drawing

DWG is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the native format for several CAD ...

.TMP

Temporary File

A .tmp file is a generic temporary file created by various programs and operating systems. These files are used to hold data temporarily while a file ...

.RFA

Revit Family File

An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and construction profession...

.GRIB

GRIdded Binary

GRIB (GRIdded Binary) is a concise data format commonly used in meteorology to store and exchange gridded data, such as weather forecasts and climate ...

.TOML

Tom's Obvious, Minimal Language

TOML is a configuration file format that is easy to read due to its simple syntax. It is designed to be easily parsed into data structures. TOML aims ...

.SQLITEDB

SQLite Database

A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database engine. It is a po...

.HEX

Intel HEX File

The Intel HEX file format is a widely used ASCII text file format for conveying binary data, primarily for programming microcontrollers, EPROMs, and o...

.INF

Setup Information File

An INF file, short for Setup Information file, is a plain text file format used by Microsoft Windows for installing software and hardware components. ...

.CRASH

Crash Dump File

A .crash file is a crash report generated by macOS and iOS operating systems when an application unexpectedly terminates or encounters a fatal error. ...

.FB2

FictionBook 2.0

FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardized way. Its main goal is to pr...

.NUMBERS

Numbers Spreadsheet

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

.HDMP

Windows Heap Dump File

A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time. It's primaril...

.VRML

Virtual Reality Modeling Language

VRML (Virtual Reality Modeling Language) is a standard file format for representing 3D interactive vector graphics, designed particularly for the Worl...

.COLLADA

COLLADA Document

COLLADA (COLLAborative Design Activity) is an open standard XML schema for exchanging digital assets among various graphics software applications. It ...

.S3DB

SQLite3 Database File

The .s3db file extension represents a database file used by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database engin...

.CRDOWNLOAD

Chrome Partial Download File

A .crdownload file is a temporary file extension used by the Google Chrome web browser (and Chromium-based browsers like Microsoft Edge, Brave, and Op...

.RVT

Autodesk Revit Project

The RVT file extension is associated with Autodesk Revit, a Building Information Modeling (BIM) software used extensively in the architecture, enginee...

.ODB

OpenDocument Database

The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the database managem...

.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 model data repre...

.PROTOBUF

Protocol Buffer

Protocol Buffers (protobuf) is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It's similar to XML, but sm...

.GML

Geography Markup Language

Geography Markup Language (GML) is an XML grammar defined by the Open Geospatial Consortium (OGC) used to express geographical features. GML serves as...

.RCFILE

Resource Configuration File

An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a historical conventio...

.ACIS (.SAT, .SAB)

ACIS Solid Model

The ACIS (.sat, .sab) file format is a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). It's a widely us...

.MDF

Media Disc Image File

An MDF file is a disc image file, often associated with Alcohol 120%, a disc imaging and burning software. It's essentially a complete copy of a physi...

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.