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.
Refine your search with categories and letters
The GPP file extension is primarily associated with Group Policy Preferences, a feature introduced in Windows Server 2008 to extend th…
GB2312, officially known as GB2312-80, is a character set and encoding standard for Simplified Chinese characters, primarily used in t…
Notation3 (N3) is a shorthand non-XML serialization of Resource Description Framework (RDF) models, designed with human-readability in…
The '2027' file extension is not a recognized or standardized file format in the computing industry. It does not correspond to any wid…
A GSP file is a document created by Geometer's Sketchpad, a leading interactive geometry software program used widely in mathematics e…
A file with the zip.001 extension represents the first segment of a multi-volume split ZIP archive. When a user compresses a large set…
The Executable and Linkable Format (ELF) is a common standard file format for executables, object code, shared libraries, and core dum…
A .lib file is a static library used primarily in Windows development environments, such as Microsoft Visual C++. It acts as a contain…
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (C…
The CCQ file extension is primarily associated with questionnaire and survey data files generated by specialized evaluation, assessmen…
The CATPART file format is a proprietary 3D CAD (Computer-Aided Design) file format developed by Dassault Systèmes for use with their…
The GPP file extension is primarily associated with Group Policy Preferences, a feature introduced in Windows Server 2008 to extend the capabilities of Group P…
GB2312, officially known as GB2312-80, is a character set and encoding standard for Simplified Chinese characters, primarily used in the People's Republic of C…
Notation3 (N3) is a shorthand non-XML serialization of Resource Description Framework (RDF) models, designed with human-readability in mind. It is a text-based…
The '2027' file extension is not a recognized or standardized file format in the computing industry. It does not correspond to any widely used software, operat…
A GSP file is a document created by Geometer's Sketchpad, a leading interactive geometry software program used widely in mathematics education. This file forma…
A file with the zip.001 extension represents the first segment of a multi-volume split ZIP archive. When a user compresses a large set of files or folders, the…
The Executable and Linkable Format (ELF) is a common standard file format for executables, object code, shared libraries, and core dumps on Unix-like operating…
A .lib file is a static library used primarily in Windows development environments, such as Microsoft Visual C++. It acts as a container for a collection of co…
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided e…
The CCQ file extension is primarily associated with questionnaire and survey data files generated by specialized evaluation, assessment, and analytical softwar…
The CATPART file format is a proprietary 3D CAD (Computer-Aided Design) file format developed by Dassault Systèmes for use with their CATIA software suite. It…
Everything you need to know about file extensions