Category Overview

Data File Extensions

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

10
Data Extensions

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10 Data extensions available
.HAT

Hattrick Data File

A .hat file is associated with Hattrick, a popular online football (soccer) management simulation game. These files typically contain d...

Data
.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 partition. It contain...

Data
.HDF5

Hierarchical Data Format version 5

HDF5 is a versatile, open-source file format designed to store and organize large amounts of numerical data. It's particularly well-sui...

Data
.HDMP

Windows Heap Dump File

A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time...

Data
.HEX

Intel HEX File

The Intel HEX file format is a widely used ASCII text file format for conveying binary data, primarily for programming microcontrollers...

Data
.HGT

SRTM Height Terrain

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

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
.HSF

HOOPS Stream Format

The HOOPS Stream Format (HSF) is a highly compressed, binary file format designed specifically for the efficient storage and transmissi...

Data
.HTML

HyperText Markup Language

HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides the structure and content of a web...

Data
.HTML5

HTML5 Document

HTML (HyperText Markup Language) is the standard markup language for creating web pages. HTML5 is the latest major revision of HTML, an...

Data
.HAT

Hattrick Data File

A .hat file is associated with Hattrick, a popular online football (soccer) management simulation game. These files typically contain data related to ...

.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 partition. It contains all the data,...

.HDF5

Hierarchical Data Format version 5

HDF5 is a versatile, open-source file format designed to store and organize large amounts of numerical data. It's particularly well-suited for scienti...

.HDMP

Windows Heap Dump File

A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time. It's primaril...

.HEX

Intel HEX File

The Intel HEX file format is a widely used ASCII text file format for conveying binary data, primarily for programming microcontrollers, EPROMs, and o...

.HGT

SRTM Height Terrain

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

.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 ...

.HSF

HOOPS Stream Format

The HOOPS Stream Format (HSF) is a highly compressed, binary file format designed specifically for the efficient storage and transmission of complex 3...

.HTML

HyperText Markup Language

HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides the structure and content of a webpage, defining ...

.HTML5

HTML5 Document

HTML (HyperText Markup Language) is the standard markup language for creating web pages. HTML5 is the latest major revision of HTML, and it includes a...

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.