Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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The GDB file extension is most commonly associated with the Esri File Geodatabase, a spatial data storage format developed by Esri for…
GB18030 is a Chinese national standard and the official character set for the People's Republic of China. It is a variable-length char…
A VPRJ file is a project file created by VSDC Free Video Editor, a non-linear editing (NLE) software developed by Flash-Integro LLC. T…
An RNW file is a source document used for literate programming, specifically within the R statistical computing environment. It combin…
The Meson build system uses files with the .meson extension, most notably the meson.build file, to define the build process for softwa…
Bazel is an open-source build and test tool developed by Google, designed to handle large-scale software projects with high speed and…
An NKB file is a specialized data format used by Native Instruments Kontakt, which is one of the industry-standard software samplers f…
The ST0 file format is a proprietary audio format primarily associated with older Sony digital voice recorders. It is used to store co…
A GRM file is a grammar definition file used primarily by the GOLD Parser, a free source-to-source compiler-compiler tool. These files…
The .rkt file extension is used for source code files written in Racket, a general-purpose, multi-paradigm programming language that b…
The WVE file extension is primarily associated with Wondershare Filmora, a popular video editing software suite. A WVE file is not a v…
The HRM file extension is a data format primarily associated with Polar Electro heart rate monitors and their legacy training software…
The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation te…
A file with the .h++ extension is a C++ header file. Header files are used in C++ programming to declare functions, classes, variables…
The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite devel…
The TIBX file extension is a proprietary backup format developed by Acronis, primarily used in their flagship software, Acronis Cyber…
The BRSTM (Binary Revolution Stream) file format is a proprietary audio container developed by Nintendo, primarily used in games for t…
The .sc2assets file extension is a proprietary data format developed by Blizzard Entertainment specifically for use with the StarCraft…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and e…
The Digital Speech Standard (DSS) is a proprietary digital audio file format developed jointly by Olympus, Philips, and Grundig as par…
The IGC file format is a standardized data format used primarily in the aviation industry, specifically for gliding, paragliding, and…
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 te…
An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally deve…
A SAS7BCAT file is a SAS Catalog file created by SAS (Statistical Analysis System) software, starting with version 7. Unlike SAS7BDAT…
The GDB file extension is most commonly associated with the Esri File Geodatabase, a spatial data storage format developed by Esri for its ArcGIS suite of soft…
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 that provi…
A VPRJ file is a project file created by VSDC Free Video Editor, a non-linear editing (NLE) software developed by Flash-Integro LLC. This file format serves as…
An RNW file is a source document used for literate programming, specifically within the R statistical computing environment. It combines LaTeX documentation wi…
The Meson build system uses files with the .meson extension, most notably the meson.build file, to define the build process for software projects. Meson is des…
Bazel is an open-source build and test tool developed by Google, designed to handle large-scale software projects with high speed and reliability. The .bazel e…
An NKB file is a specialized data format used by Native Instruments Kontakt, which is one of the industry-standard software samplers for music production and s…
The ST0 file format is a proprietary audio format primarily associated with older Sony digital voice recorders. It is used to store compressed voice recordings…
A GRM file is a grammar definition file used primarily by the GOLD Parser, a free source-to-source compiler-compiler tool. These files contain the formal speci…
The .rkt file extension is used for source code files written in Racket, a general-purpose, multi-paradigm programming language that belongs to the Lisp-Scheme…
The WVE file extension is primarily associated with Wondershare Filmora, a popular video editing software suite. A WVE file is not a video file itself; rather…
The HRM file extension is a data format primarily associated with Polar Electro heart rate monitors and their legacy training software, such as Polar ProTrain…
The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation templates that serve as a b…
A file with the .h++ extension is a C++ header file. Header files are used in C++ programming to declare functions, classes, variables, and constants that are…
The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite developed by Oracle. This file…
The TIBX file extension is a proprietary backup format developed by Acronis, primarily used in their flagship software, Acronis Cyber Protect Home Office, whic…
The BRSTM (Binary Revolution Stream) file format is a proprietary audio container developed by Nintendo, primarily used in games for the Wii and GameCube conso…
The .sc2assets file extension is a proprietary data format developed by Blizzard Entertainment specifically for use with the StarCraft II: Wings of Liberty gam…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that…
The Digital Speech Standard (DSS) is a proprietary digital audio file format developed jointly by Olympus, Philips, and Grundig as part of the International Vo…
The IGC file format is a standardized data format used primarily in the aviation industry, specifically for gliding, paragliding, and hang gliding. It was deve…
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 can be open…
An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally developed by Acclaim Entertai…
A SAS7BCAT file is a SAS Catalog file created by SAS (Statistical Analysis System) software, starting with version 7. Unlike SAS7BDAT files which contain actua…
Everything you need to know about file extensions