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
.VMSS

VMware Suspended State File

The VMSS file extension stands for VMware Suspended State. It is a proprietary file format created and used by VMware virtualization so...

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
.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
.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
.PMS

Primavera Project Management Schedule

The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite develo...

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
.LST

List File

A file with the LST extension is typically a plain text file that contains a list of information. Because it is saved in a standard tex...

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
.GPKG

OGC GeoPackage

The GeoPackage (GPKG) file format is an open, non-proprietary, standards-based, and platform-independent container designed for geograp...

Data
.IGC

International Gliding Commission Flight Data File

The IGC file format is a standardized data format used primarily in the aviation industry, specifically for gliding, paragliding, and h...

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
.ENEX

Evernote Export File

The ENEX file format, which stands for Evernote Export, is a proprietary XML-based format developed by Evernote Corporation to facilita...

Data
.AMC

Acclaim Motion Capture File

An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally devel...

Data
.STATE

Saved State File

A file with the .state extension is typically a Saved State file used by various software applications, most notably video game emulato...

Data
.SAS7BCAT

SAS Version 7+ Catalog File

A SAS7BCAT file is a SAS Catalog file created by SAS (Statistical Analysis System) software, starting with version 7. Unlike SAS7BDAT f...

Data
.GGT

GeoGebra Tool Template

A GGT file is a GeoGebra Tool template file created and used by GeoGebra, an interactive mathematics software suite designed for scienc...

Data
.ADM

Group Policy Administrative Template

An ADM file is a Group Policy Administrative Template used by Microsoft Windows operating systems to define registry-based policy setti...

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
.QUAL

FASTA Quality File

The QUAL file format is a text-based format used in bioinformatics to store quality scores for DNA sequences, typically complementing a...

Data
.PCAP

Packet Capture

The PCAP (Packet Capture) file format is a standardized application programming interface and file format used for capturing and record...

Data
.UTF16

UTF-16 Encoded Text File

UTF-16 (16-bit Unicode Transformation Format) is a character encoding capable of encoding all 1,112,064 valid character code points of...

Data
.GGB

GeoGebra Worksheet File

The GGB file format is the native file format used by GeoGebra, an interactive geometry, algebra, statistics, and calculus application...

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
.FOF

File of Files

The FOF file extension, standing for 'File of Files' or 'Folders of Files,' is primarily used as a manifest or index file in specialize...

Data
.VMSS

VMware Suspended State File

The VMSS file extension stands for VMware Suspended State. It is a proprietary file format created and used by VMware virtualization software, includi...

.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...

.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...

.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...

.PMS

Primavera Project Management Schedule

The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite developed by Oracle...

.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...

.LST

List File

A file with the LST extension is typically a plain text file that contains a list of information. Because it is saved in a standard text format, it ca...

.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...

.GPKG

OGC GeoPackage

The GeoPackage (GPKG) file format is an open, non-proprietary, standards-based, and platform-independent container designed for geographic information...

.IGC

International Gliding Commission Flight Data File

The IGC file format is a standardized data format used primarily in the aviation industry, specifically for gliding, paragliding, and hang gliding. It...

.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...

.ENEX

Evernote Export File

The ENEX file format, which stands for Evernote Export, is a proprietary XML-based format developed by Evernote Corporation to facilitate the migratio...

.AMC

Acclaim Motion Capture File

An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally developed by Acclaim...

.STATE

Saved State File

A file with the .state extension is typically a Saved State file used by various software applications, most notably video game emulators (such as PCS...

.SAS7BCAT

SAS Version 7+ Catalog File

A SAS7BCAT file is a SAS Catalog file created by SAS (Statistical Analysis System) software, starting with version 7. Unlike SAS7BDAT files which cont...

.GGT

GeoGebra Tool Template

A GGT file is a GeoGebra Tool template file created and used by GeoGebra, an interactive mathematics software suite designed for science, technology...

.ADM

Group Policy Administrative Template

An ADM file is a Group Policy Administrative Template used by Microsoft Windows operating systems to define registry-based policy settings. These file...

.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...

.QUAL

FASTA Quality File

The QUAL file format is a text-based format used in bioinformatics to store quality scores for DNA sequences, typically complementing a corresponding...

.PCAP

Packet Capture

The PCAP (Packet Capture) file format is a standardized application programming interface and file format used for capturing and recording network tra...

.UTF16

UTF-16 Encoded Text File

UTF-16 (16-bit Unicode Transformation Format) is a character encoding capable of encoding all 1,112,064 valid character code points of Unicode. It use...

.GGB

GeoGebra Worksheet File

The GGB file format is the native file format used by GeoGebra, an interactive geometry, algebra, statistics, and calculus application intended for le...

.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...

.FOF

File of Files

The FOF file extension, standing for 'File of Files' or 'Folders of Files,' is primarily used as a manifest or index file in specialized data processi...