Data File Extensions

Category Overview

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

204
Extensions
Data
204 Data extensions available

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.stackdump

Stack Dump File

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

.ddl

Data Definition Language File

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

.gnumeric

Gnumeric Spreadsheet

The .gnumeric file extension is associated with spreadsheet files created by Gnumeric, a free and open-source spreadshee...

.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 partit...

.dem

Digital Elevation Model

A .dem file is a Digital Elevation Model (DEM) file, a raster-based geospatial data format used to represent terrain ele...

.dgn

MicroStation Design File

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

.jt

Jupiter Tessellation

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

.sldprt

SolidWorks Part Document

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

.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 ...

.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 essentia...

.properties

Java Properties File

A .properties file is a plain text file used to store configuration information for Java applications. It typically cont...

.trn

TRN

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

.numbers

Numbers Spreadsheet

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

.sys

System File

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

.dmp

Memory Dump File

A DMP file, short for Memory Dump file, is a snapshot of a computer's memory at a specific point in time. These files ar...

.bip

Binary Image Partition

A .bip file is a Binary Image Partition file, often associated with firmware images for embedded systems and devices. 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...

.catia part (.catpart)

CATIA Part

A .CATPart file is a 3D CAD (Computer-Aided Design) part file created by CATIA (Computer-Aided Three Dimensional Interac...

.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 con...

.fbx

Filmbox

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

.iges

Initial Graphics Exchange Specification

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

.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 IS...

.olecontrolextension9

Unknown OLE Control Extension 9 File

The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a ...

.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 in...

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Frequently Asked Questions

About Data Files
3 Questions

Categories are organized by file type purpose: Documents, Images, Audio, Video, Archives, Executables, Data files, and Programming files.

Yes, use the alphabetic filter buttons to quickly find extensions starting with specific letters.

Each extension page includes software compatibility, file descriptions, alternatives, and usage information.

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