Category Overview

Data File Extensions

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

386
Data Extensions

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386 Data extensions available
.DBX

Outlook Express Personal Folder File

The DBX file format is a proprietary database format used primarily by Microsoft Outlook Express, a legacy email client that was bundle...

Data
.OTP

OpenDocument Presentation Template

The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation tem...

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
.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
.E57

ASTM E57 3D Imaging Data Exchange Format

The E57 file format is a vendor-neutral, non-proprietary standard designed for the storage and exchange of three-dimensional imaging da...

Data
.XMIND

XMind Workbook File

The XMind file format is a proprietary file format developed by XMind Ltd. specifically for their mind mapping and brainstorming softwa...

Data
.HRM

Polar Heart Rate Monitor Data File

The HRM file extension is a data format primarily associated with Polar Electro heart rate monitors and their legacy training software,...

Data
.DNA

SnapGene DNA File

The .dna file extension is primarily associated with SnapGene, a specialized molecular biology software suite used for documenting, sim...

Data
.TRDP

Telerik Report Definition Package

The TRDP file format is a proprietary file format developed by Progress Software for use with the Telerik Reporting engine. It is a com...

Data
.OFX

Open Financial Exchange

The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between fin...

Data
.QIF

Quicken Interchange Format

The Quicken Interchange Format (QIF) is an open specification for reading and writing financial data to media. Originally developed by ...

Data
.NDX

Index File

The NDX file extension is a generic index file format used by a wide variety of software applications to store pointers, references, or...

Data
.DOCM

Microsoft Word Macro-Enabled Document

A DOCM file is a macro-enabled document created by Microsoft Word, the widely used word processing application. Introduced with the rel...

Data
.ODP

OpenDocument Presentation

The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic pr...

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
.UPDATE

Software Update File

A file with the .update extension is typically a software update package or a firmware update file used by various operating systems, h...

Data
.OPML

Outline Processor Markup Language

Outline Processor Markup Language (OPML) is an XML-based file format designed for the exchange of outline-structured information betwee...

Data
.OTIO

Open Timeline I/O

Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between d...

Data
.BIG5

Big5 Traditional Chinese Text File

Big5 is a character encoding standard used for Traditional Chinese characters, predominantly in Taiwan, Hong Kong, and Macau. Developed...

Data
.FNA

FASTA Nucleic Acid File

The FNA file extension represents a FASTA Nucleic Acid file, which is a specialized text-based format widely utilized in the fields of ...

Data
.PCD

Point Cloud Data

The PCD (Point Cloud Data) file format is a standard file format used primarily in the field of 3D computer vision and robotics. It was...

Data
.XLTM

Microsoft Excel Macro-Enabled Template

An XLTM file is a macro-enabled template created by Microsoft Excel, the industry-standard spreadsheet application. Introduced with the...

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
.XLSM

Microsoft Excel Macro-Enabled Workbook

The XLSM file extension represents a Microsoft Excel Macro-Enabled Workbook. Introduced with the release of Microsoft Office 2007, it i...

Data
.DBX

Outlook Express Personal Folder File

The DBX file format is a proprietary database format used primarily by Microsoft Outlook Express, a legacy email client that was bundled with Internet...

.OTP

OpenDocument Presentation Template

The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation templates that ser...

.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...

.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...

.E57

ASTM E57 3D Imaging Data Exchange Format

The E57 file format is a vendor-neutral, non-proprietary standard designed for the storage and exchange of three-dimensional imaging data, such as poi...

.XMIND

XMind Workbook File

The XMind file format is a proprietary file format developed by XMind Ltd. specifically for their mind mapping and brainstorming software. Structurall...

.HRM

Polar Heart Rate Monitor Data File

The HRM file extension is a data format primarily associated with Polar Electro heart rate monitors and their legacy training software, such as Polar ...

.DNA

SnapGene DNA File

The .dna file extension is primarily associated with SnapGene, a specialized molecular biology software suite used for documenting, simulating, and vi...

.TRDP

Telerik Report Definition Package

The TRDP file format is a proprietary file format developed by Progress Software for use with the Telerik Reporting engine. It is a compressed archive...

.OFX

Open Financial Exchange

The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between financial institut...

.QIF

Quicken Interchange Format

The Quicken Interchange Format (QIF) is an open specification for reading and writing financial data to media. Originally developed by Intuit for its ...

.NDX

Index File

The NDX file extension is a generic index file format used by a wide variety of software applications to store pointers, references, or metadata that ...

.DOCM

Microsoft Word Macro-Enabled Document

A DOCM file is a macro-enabled document created by Microsoft Word, the widely used word processing application. Introduced with the release of Microso...

.ODP

OpenDocument Presentation

The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic presentations, in...

.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...

.UPDATE

Software Update File

A file with the .update extension is typically a software update package or a firmware update file used by various operating systems, hardware devices...

.OPML

Outline Processor Markup Language

Outline Processor Markup Language (OPML) is an XML-based file format designed for the exchange of outline-structured information between applications....

.OTIO

Open Timeline I/O

Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between different softwa...

.BIG5

Big5 Traditional Chinese Text File

Big5 is a character encoding standard used for Traditional Chinese characters, predominantly in Taiwan, Hong Kong, and Macau. Developed in the mid-198...

.FNA

FASTA Nucleic Acid File

The FNA file extension represents a FASTA Nucleic Acid file, which is a specialized text-based format widely utilized in the fields of bioinformatics ...

.PCD

Point Cloud Data

The PCD (Point Cloud Data) file format is a standard file format used primarily in the field of 3D computer vision and robotics. It was developed to s...

.XLTM

Microsoft Excel Macro-Enabled Template

An XLTM file is a macro-enabled template created by Microsoft Excel, the industry-standard spreadsheet application. Introduced with the Office Open XM...

.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...

.XLSM

Microsoft Excel Macro-Enabled Workbook

The XLSM file extension represents a Microsoft Excel Macro-Enabled Workbook. Introduced with the release of Microsoft Office 2007, it is part of the O...

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.