Category Overview

Data File Extensions

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

399
Data Extensions

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399 Data extensions available
.WOFF2

Web Open Font Format 2.0

WOFF2 (Web Open Font Format 2.0) is a font format for use in web pages. It is a successor to WOFF and offers improved compression, resu...

Data
.SQLITE3

SQLite3 Database

The .sqlite3 file extension is commonly used for SQLite database files. SQLite is a self-contained, serverless, zero-configuration, tra...

Data
.VDX

Visio Drawing XML File

The VDX file format is an XML-based drawing file format used by older versions of Microsoft Visio (specifically Visio 2002, 2003, and 2...

Data
.DGN

MicroStation Design File

The DGN file format is a CAD (Computer-Aided Design) file format primarily associated with Bentley Systems' MicroStation and other CAD ...

Data
.VHD

Virtual Hard Disk

A VHD (Virtual Hard Disk) file is a disk image format that represents a virtual hard drive. It essentially acts as a container for all ...

Data
.BIL

Band Interleaved by Line

The .bil file extension represents a Band Interleaved by Line raster image file. This format is commonly used in remote sensing and geo...

Data
.BREP

Boundary Representation

A BREP file, short for Boundary Representation file, is a 3D CAD (Computer-Aided Design) file format that stores the geometric and topo...

Data
.AVRO

Apache Avro Data File

Avro is a data serialization system developed within the Apache Hadoop project. It provides a rich data structure, a compact, fast, bin...

Data
.3DS

3D Studio Scene

The .3ds file extension is a file format associated with the original Autodesk 3D Studio DOS program (later replaced by 3D Studio Max)....

Data
.HTML5

HTML5 Document

HTML (HyperText Markup Language) is the standard markup language for creating web pages. HTML5 is the latest major revision of HTML, an...

Data
.TTF

TrueType Font

The .ttf file extension represents a TrueType Font file. TrueType is a font standard developed by Apple and Microsoft in the late 1980s...

Data
.DDL

Data Definition Language File

A DDL (Data Definition Language) file contains commands used to define the structure of a database. These commands are part of SQL (Str...

Data
.HDF5

Hierarchical Data Format version 5

HDF5 is a versatile, open-source file format designed to store and organize large amounts of numerical data. It's particularly well-sui...

Data
.SYS

System File

A .SYS file is a system file used by Microsoft Windows and other operating systems. These files typically contain device drivers, hardw...

Data
.JT

Jupiter Tessellation

JT (Jupiter Tessellation) is an ISO standard (ISO 14306:2017) file format for lightweight 3D data visualization and product lifecycle m...

Data
.SEQUENCEFILE

Sequence File

SequenceFile is a flat file format prevalent in Hadoop environments, designed to store sequences of binary key/value pairs. It's a core...

Data
.IGES (.IGS, .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
.XYZ

Extensible Markup Language

XML (Extensible Markup Language) is a markup language designed for encoding documents in a format that is both human-readable and machi...

Data
.CFG

Configuration File

A CFG file is a configuration file used by various software programs to store settings and parameters. These files are typically plain ...

Data
.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
.PROPERTIES

Java Properties File

A .properties file is a plain text file used to store configuration information for Java applications. It typically contains key-value ...

Data
.PARASOLID (.X_T, .X_B)

Parasolid Model Part

Parasolid files (.x_t for text format and .x_b for binary format) are CAD (Computer-Aided Design) files used for storing 3D solid model...

Data
.ORC

Optimized Row Columnar

ORC (Optimized Row Columnar) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for l...

Data
.ARROW IPC

Apache Arrow IPC Stream

The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly with...

Data
.WOFF2

Web Open Font Format 2.0

WOFF2 (Web Open Font Format 2.0) is a font format for use in web pages. It is a successor to WOFF and offers improved compression, resulting in smalle...

.SQLITE3

SQLite3 Database

The .sqlite3 file extension is commonly used for SQLite database files. SQLite is a self-contained, serverless, zero-configuration, transactional SQL ...

.VDX

Visio Drawing XML File

The VDX file format is an XML-based drawing file format used by older versions of Microsoft Visio (specifically Visio 2002, 2003, and 2007). It stores...

.DGN

MicroStation Design File

The DGN file format is a CAD (Computer-Aided Design) file format primarily associated with Bentley Systems' MicroStation and other CAD applications. I...

.VHD

Virtual Hard Disk

A VHD (Virtual Hard Disk) file is a disk image format that represents a virtual hard drive. It essentially acts as a container for all the data that w...

.BIL

Band Interleaved by Line

The .bil file extension represents a Band Interleaved by Line raster image file. This format is commonly used in remote sensing and geographic informa...

.BREP

Boundary Representation

A BREP file, short for Boundary Representation file, is a 3D CAD (Computer-Aided Design) file format that stores the geometric and topological informa...

.AVRO

Apache Avro Data File

Avro is a data serialization system developed within the Apache Hadoop project. It provides a rich data structure, a compact, fast, binary data format...

.3DS

3D Studio Scene

The .3ds file extension is a file format associated with the original Autodesk 3D Studio DOS program (later replaced by 3D Studio Max). It's a binary ...

.HTML5

HTML5 Document

HTML (HyperText Markup Language) is the standard markup language for creating web pages. HTML5 is the latest major revision of HTML, and it includes a...

.TTF

TrueType Font

The .ttf file extension represents a TrueType Font file. TrueType is a font standard developed by Apple and Microsoft in the late 1980s as a competito...

.DDL

Data Definition Language File

A DDL (Data Definition Language) file contains commands used to define the structure of a database. These commands are part of SQL (Structured Query L...

.HDF5

Hierarchical Data Format version 5

HDF5 is a versatile, open-source file format designed to store and organize large amounts of numerical data. It's particularly well-suited for scienti...

.SYS

System File

A .SYS file is a system file used by Microsoft Windows and other operating systems. These files typically contain device drivers, hardware configurati...

.JT

Jupiter Tessellation

JT (Jupiter Tessellation) is an ISO standard (ISO 14306:2017) file format for lightweight 3D data visualization and product lifecycle management (PLM)...

.SEQUENCEFILE

Sequence File

SequenceFile is a flat file format prevalent in Hadoop environments, designed to store sequences of binary key/value pairs. It's a core component of t...

.IGES (.IGS, .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...

.XYZ

Extensible Markup Language

XML (Extensible Markup Language) is a markup language designed for encoding documents in a format that is both human-readable and machine-readable. It...

.CFG

Configuration File

A CFG file is a configuration file used by various software programs to store settings and parameters. These files are typically plain text or binary ...

.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 performance and...

.PROPERTIES

Java Properties File

A .properties file is a plain text file used to store configuration information for Java applications. It typically contains key-value pairs, where th...

.PARASOLID (.X_T, .X_B)

Parasolid Model Part

Parasolid files (.x_t for text format and .x_b for binary format) are CAD (Computer-Aided Design) files used for storing 3D solid models. They are the...

.ORC

Optimized Row Columnar

ORC (Optimized Row Columnar) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for large-scale data...

.ARROW IPC

Apache Arrow IPC Stream

The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly within the Apache A...

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.