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
.PCAPNG

PCAP Next Generation Dump File

The PCAP Next Generation (pcap-ng) file format is the successor to the original libpcap (pcap) format, designed to overcome the limitat...

Data
.MTB

Minitab Worksheet File

The MTB file format is a proprietary data file associated with Minitab, a powerful statistical software package used extensively in qua...

Data
.MCH

Money Manager Ex Database File

The MCH file extension is primarily associated with Money Manager Ex (MMEX), which is a popular, open-source personal finance managemen...

Data
.FCPXMLD

Final Cut Pro XML Document

The fcpxmld file format is a specialized XML-based data structure used by Apple's Final Cut Pro (FCP) non-linear video editing software...

Data
.FIT

Flexible and Interoperable Data Transfer

The FIT (Flexible and Interoperable Data Transfer) file format is a compact, binary file format designed specifically for the storage a...

Data
.SDOCX

Samsung Notes Document

The SDOCX file format is the proprietary document format used by the Samsung Notes application, primarily found on Samsung Galaxy smart...

Data
.SRM

Super Nintendo Save RAM File

An SRM file is a save data file created by Super Nintendo Entertainment System (SNES) emulators. It represents the contents of the batt...

Data
.FAA

FASTA Amino Acid Sequence File

The FAA file extension represents a FASTA Amino Acid file, which is a text-based format used in bioinformatics and molecular biology to...

Data
.GBK

Guobiao Ku (Chinese National Standard Code)

GBK (Guobiao Ku) is a character encoding standard for Simplified Chinese characters, designed as an extension of the GB2312-80 standard...

Data
.UTF8

UTF-8 Encoded Text File

A file with the .utf8 extension is a plain text file specifically encoded using the UTF-8 (8-bit Unicode Transformation Format) charact...

Data
.PWX

TrainingPeaks Personal Workout File

The PWX file format is a specialized XML-based data format developed by TrainingPeaks for the exchange of athletic performance data. It...

Data
.EDAT

PlayStation Encrypted Data File

An EDAT file is an encrypted data format primarily used by Sony Interactive Entertainment for its PlayStation ecosystem, specifically t...

Data
.SC2ASSETS

StarCraft II Assets File

The .sc2assets file extension is a proprietary data format developed by Blizzard Entertainment specifically for use with the StarCraft ...

Data
.MMCIF

Macromolecular Crystallographic Information File

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

Data
.IDX

Index File

The IDX file extension is primarily used to denote an index file, which serves as a pointer or metadata repository for a larger data se...

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
.FRP

FastReport Project File

The FRP file extension is primarily associated with FastReport, a powerful reporting tool used by developers to generate complex report...

Data
.LRC

LyRiCs File

An LRC file is a text-based file format specifically designed to synchronize song lyrics with an audio file, such as an MP3 or WAV. It ...

Data
.LAZ

LASzip Compressed LiDAR Data

The LAZ file format is a highly efficient, lossless compressed version of the industry-standard LAS format used for storing LiDAR (Ligh...

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
.DOT

Microsoft Word Template

The DOT file extension represents a template file created by Microsoft Word, the widely used word processing software. Unlike standard ...

Data
.PTS

Point Cloud Data File

The PTS file format is a widely used ASCII-based data format primarily utilized in 3D scanning, surveying, and computer-aided design (C...

Data
.QFX

Quicken Financial Exchange

QFX, which stands for Quicken Financial Exchange, is a proprietary financial data format developed by Intuit for use with its Quicken p...

Data
.MPT

Microsoft Project Template

The MPT file format is a proprietary template file used by Microsoft Project, a powerful project management software application. Unlik...

Data
.PCAPNG

PCAP Next Generation Dump File

The PCAP Next Generation (pcap-ng) file format is the successor to the original libpcap (pcap) format, designed to overcome the limitations of its pre...

.MTB

Minitab Worksheet File

The MTB file format is a proprietary data file associated with Minitab, a powerful statistical software package used extensively in quality improvemen...

.MCH

Money Manager Ex Database File

The MCH file extension is primarily associated with Money Manager Ex (MMEX), which is a popular, open-source personal finance management software. Thi...

.FCPXMLD

Final Cut Pro XML Document

The fcpxmld file format is a specialized XML-based data structure used by Apple's Final Cut Pro (FCP) non-linear video editing software. Introduced as...

.FIT

Flexible and Interoperable Data Transfer

The FIT (Flexible and Interoperable Data Transfer) file format is a compact, binary file format designed specifically for the storage and sharing of d...

.SDOCX

Samsung Notes Document

The SDOCX file format is the proprietary document format used by the Samsung Notes application, primarily found on Samsung Galaxy smartphones, tablets...

.SRM

Super Nintendo Save RAM File

An SRM file is a save data file created by Super Nintendo Entertainment System (SNES) emulators. It represents the contents of the battery-backed Rand...

.FAA

FASTA Amino Acid Sequence File

The FAA file extension represents a FASTA Amino Acid file, which is a text-based format used in bioinformatics and molecular biology to store protein ...

.GBK

Guobiao Ku (Chinese National Standard Code)

GBK (Guobiao Ku) is a character encoding standard for Simplified Chinese characters, designed as an extension of the GB2312-80 standard. It was offici...

.UTF8

UTF-8 Encoded Text File

A file with the .utf8 extension is a plain text file specifically encoded using the UTF-8 (8-bit Unicode Transformation Format) character encoding sch...

.PWX

TrainingPeaks Personal Workout File

The PWX file format is a specialized XML-based data format developed by TrainingPeaks for the exchange of athletic performance data. It is primarily u...

.EDAT

PlayStation Encrypted Data File

An EDAT file is an encrypted data format primarily used by Sony Interactive Entertainment for its PlayStation ecosystem, specifically the PlayStation ...

.SC2ASSETS

StarCraft II Assets File

The .sc2assets file extension is a proprietary data format developed by Blizzard Entertainment specifically for use with the StarCraft II: Wings of Li...

.MMCIF

Macromolecular Crystallographic Information File

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

.IDX

Index File

The IDX file extension is primarily used to denote an index file, which serves as a pointer or metadata repository for a larger data set. One of its m...

.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...

.FRP

FastReport Project File

The FRP file extension is primarily associated with FastReport, a powerful reporting tool used by developers to generate complex reports for applicati...

.LRC

LyRiCs File

An LRC file is a text-based file format specifically designed to synchronize song lyrics with an audio file, such as an MP3 or WAV. It contains the te...

.LAZ

LASzip Compressed LiDAR Data

The LAZ file format is a highly efficient, lossless compressed version of the industry-standard LAS format used for storing LiDAR (Light Detection and...

.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...

.DOT

Microsoft Word Template

The DOT file extension represents a template file created by Microsoft Word, the widely used word processing software. Unlike standard DOC or DOCX fil...

.PTS

Point Cloud Data File

The PTS file format is a widely used ASCII-based data format primarily utilized in 3D scanning, surveying, and computer-aided design (CAD) workflows. ...

.QFX

Quicken Financial Exchange

QFX, which stands for Quicken Financial Exchange, is a proprietary financial data format developed by Intuit for use with its Quicken personal finance...

.MPT

Microsoft Project Template

The MPT file format is a proprietary template file used by Microsoft Project, a powerful project management software application. Unlike standard proj...

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.