Category Overview

Data File Extensions

Data file extensions are used by databases, applications, scientific tools, configuration systems, and structured datasets. Browse the formats below to identify a data file and find software that may read, import, edit, or export it.

441
Data Extensions
Category Guide

How to identify and use data file formats

Data files can be plain text, structured records, binary databases, caches, or application-specific resources. Avoid editing an unknown data file directly, keep a backup, and use the application that originally created it whenever possible.

Filter Extensions

Filter this category by the first letter of the extension.

441 Data Extensions Available
.XLSB

Excel Binary Workbook

The XLSB file extension represents the Excel Binary Workbook format, which is a specialized spreadsheet format developed by Microsoft a...

Data
.SPV

SPSS Output Document

An SPV file is an output document created by IBM SPSS Statistics, a widely used software package for statistical analysis in social sci...

Data
.S2ML

SAS Strategy Management Markup Language

The S2ML file extension stands for Strategy Management Markup Language, which is a specialized XML-based format primarily utilized by S...

Data
.DELTA

Delta Lake Transaction Log File

The .delta file extension is primarily associated with Delta Lake, an open-source storage layer that brings reliability to data lakes...

Data
.PJT

Visual FoxPro Project File

The PJT file extension is primarily associated with Microsoft Visual FoxPro, a data-centric, object-oriented procedural programming lan...

Data
.VSV

Microsoft Virtual PC Saved State File

A VSV file is a saved state file created by Microsoft Virtual PC, a virtualization application that allows users to run multiple operat...

Data
.ADMX

Group Policy Administrative Template XML

The ADMX file extension represents a Group Policy Administrative Template file used by Microsoft Windows operating systems. Introduced...

Data
.BGDM

Beat Saber Game Data Manager File

The BGDM file format (Beat Saber Game Data Manager) is a specialized data file primarily utilized within the modding community for the...

Data
.MMCIF

Macromolecular Crystallographic Information File

The mmCIF (Macromolecular Crystallographic Information File) format is a standard for representing structural data of biological macrom...

Data
.TJA

Taiko no Tatsujin Chart File

The TJA file format is a plain text-based configuration file used primarily by Taiko no Tatsujin (Drum Master) rhythm game simulators...

Data
.CACHE

Cache File

A cache file is a generic data container used by a wide variety of software applications to store temporary information intended to spe...

Data
.RDATA

R Data Workspace File

The RData file format is the native binary format used by the R programming language, a widely utilized environment for statistical com...

Data
.FRN

Golden Orchard Software FRN File

The FRN file extension is primarily associated with the Golden Orchard software suite, specifically used for data storage and configura...

Data
.JSONLD

JSON-LD (JavaScript Object Notation for Linked Data)

JSON-LD (JavaScript Object Notation for Linked Data) is a lightweight syntax serialization format used to represent structured data. It...

Data
.DOTM

Microsoft Word Macro-Enabled Template

A DOTM file is a template file created by Microsoft Word, the widely used word processing software. It is part of the Office Open XML (...

Data
.DEVPKG

Garmin Device Package

A .devpkg file is a Garmin Device Package used primarily for delivering software updates, firmware, and additional components to Garmin...

Data
.SFF

Standard Flowgram Format

The Standard Flowgram Format (SFF) is a specialized binary file format primarily utilized in the field of bioinformatics to store data...

Data
.MRT

Stimulsoft Reports Template

The MRT file extension is primarily associated with Stimulsoft Reports, a comprehensive reporting tool used by developers to create, de...

Data
.TRDX

Telerik Report Definition XML

The TRDX file format is a proprietary XML-based file format developed by Progress Software for use with Telerik Reporting. It serves as...

Data
.SNOOP

Snoop Network Capture File

The .snoop file format is a legacy packet capture format originally developed for the Solaris operating system. It is used by the 'snoo...

Data
.PGP

Pretty Good Privacy Encrypted File

A PGP file is an encrypted data file or a digital signature file generated by Pretty Good Privacy (PGP) software. PGP is a popular encr...

Data
.GDB

Esri File Geodatabase

The GDB file extension is most commonly associated with the Esri File Geodatabase, a spatial data storage format developed by Esri for...

Data
.GB18030

GB18030 Character Encoding

GB18030 is a Chinese national standard and the official character set for the People's Republic of China. It is a variable-length chara...

Data
.MPPX

Microsoft Project Exchange File

The .mppx file extension is a specialized data format associated with Microsoft Project, primarily used for the exchange of project man...

Data
.XLSB

Excel Binary Workbook

The XLSB file extension represents the Excel Binary Workbook format, which is a specialized spreadsheet format developed by Microsoft as part of the O...

.SPV

SPSS Output Document

An SPV file is an output document created by IBM SPSS Statistics, a widely used software package for statistical analysis in social science, market re...

.S2ML

SAS Strategy Management Markup Language

The S2ML file extension stands for Strategy Management Markup Language, which is a specialized XML-based format primarily utilized by SAS Strategy Man...

.DELTA

Delta Lake Transaction Log File

The .delta file extension is primarily associated with Delta Lake, an open-source storage layer that brings reliability to data lakes. Delta Lake prov...

.PJT

Visual FoxPro Project File

The PJT file extension is primarily associated with Microsoft Visual FoxPro, a data-centric, object-oriented procedural programming language. Specific...

.VSV

Microsoft Virtual PC Saved State File

A VSV file is a saved state file created by Microsoft Virtual PC, a virtualization application that allows users to run multiple operating systems on...

.ADMX

Group Policy Administrative Template XML

The ADMX file extension represents a Group Policy Administrative Template file used by Microsoft Windows operating systems. Introduced in Windows Vist...

.BGDM

Beat Saber Game Data Manager File

The BGDM file format (Beat Saber Game Data Manager) is a specialized data file primarily utilized within the modding community for the virtual reality...

.MMCIF

Macromolecular Crystallographic Information File

The mmCIF (Macromolecular Crystallographic Information File) format is a standard for representing structural data of biological macromolecules, such...

.TJA

Taiko no Tatsujin Chart File

The TJA file format is a plain text-based configuration file used primarily by Taiko no Tatsujin (Drum Master) rhythm game simulators, most notably Ta...

.CACHE

Cache File

A cache file is a generic data container used by a wide variety of software applications to store temporary information intended to speed up future re...

.RDATA

R Data Workspace File

The RData file format is the native binary format used by the R programming language, a widely utilized environment for statistical computing and grap...

.FRN

Golden Orchard Software FRN File

The FRN file extension is primarily associated with the Golden Orchard software suite, specifically used for data storage and configuration management...

.JSONLD

JSON-LD (JavaScript Object Notation for Linked Data)

JSON-LD (JavaScript Object Notation for Linked Data) is a lightweight syntax serialization format used to represent structured data. It is designed to...

.DOTM

Microsoft Word Macro-Enabled Template

A DOTM file is a template file created by Microsoft Word, the widely used word processing software. It is part of the Office Open XML (OOXML) standard...

.DEVPKG

Garmin Device Package

A .devpkg file is a Garmin Device Package used primarily for delivering software updates, firmware, and additional components to Garmin GPS devices, w...

.SFF

Standard Flowgram Format

The Standard Flowgram Format (SFF) is a specialized binary file format primarily utilized in the field of bioinformatics to store data generated by th...

.MRT

Stimulsoft Reports Template

The MRT file extension is primarily associated with Stimulsoft Reports, a comprehensive reporting tool used by developers to create, design, and manag...

.TRDX

Telerik Report Definition XML

The TRDX file format is a proprietary XML-based file format developed by Progress Software for use with Telerik Reporting. It serves as a declarative...

.SNOOP

Snoop Network Capture File

The .snoop file format is a legacy packet capture format originally developed for the Solaris operating system. It is used by the 'snoop' command-line...

.PGP

Pretty Good Privacy Encrypted File

A PGP file is an encrypted data file or a digital signature file generated by Pretty Good Privacy (PGP) software. PGP is a popular encryption program...

.GDB

Esri File Geodatabase

The GDB file extension is most commonly associated with the Esri File Geodatabase, a spatial data storage format developed by Esri for its ArcGIS suit...

.GB18030

GB18030 Character Encoding

GB18030 is a Chinese national standard and the official character set for the People's Republic of China. It is a variable-length character encoding t...

.MPPX

Microsoft Project Exchange File

The .mppx file extension is a specialized data format associated with Microsoft Project, primarily used for the exchange of project management data be...