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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.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...

.psql

PostgreSQL Query File

A .psql file is a plain text file containing SQL queries designed to be executed against a PostgreSQL database. These fi...

.ods

OpenDocument Spreadsheet

The ODS file extension represents a spreadsheet document format used by OpenOffice and LibreOffice, both open-source off...

.dwg

Drawing

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

.acis

ACIS Solid Model

The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geometric modeling kernel...

.accdb

Microsoft Access Database

The .accdb file extension is the default file format for databases created with Microsoft Access, a relational database ...

.parquet

Apache Parquet

Apache Parquet is a columnar storage format optimized for use with big data processing frameworks. Unlike row-oriented f...

.odb

OpenDocument Database

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

.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...

.stackdump

Stack Dump File

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

.s3db

SQLite3 Database File

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

.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 mult...

.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 f...

.tmp

Temporary File

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

.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...

.feather

Apache Arrow Feather

The Feather file format is a lightweight, columnar data format designed for fast data transfer between data analysis env...

.crash

Crash Dump File

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

.skp

SketchUp Model

The SKP file extension is used for 3D models created with SketchUp, a popular 3D modeling software developed by Trimble ...

.ply

Polygon File Format

The PLY file format, also known as the Polygon File Format or Stanford Triangle Format, is a computer file format design...

.rfa

Revit Family File

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

.usdz

Universal Scene Description Zipped

The USDZ file format is a zipped and uncompressed archive format developed by Pixar and Apple for storing 3D models and ...

.bufr

Binary Universal Form for the Representation of meteorological data

BUFR (Binary Universal Form for the Representation of meteorological data) is a binary data format designed by the World...

.hgt

SRTM Height Terrain

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

.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...

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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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