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 Common Object File Format (COFF) is a file format used for object code, executables, and shared libraries in various operating sys…
A VXD file is a Virtual Device Driver file used in older versions of Microsoft Windows, specifically Windows 3.x, 95, 98, and Me. Thes…
The Executable and Linkable Format (ELF) is a common standard file format for executables, object code, shared libraries, and core dum…
A .COM file is an executable file format used primarily in DOS and early Windows operating systems. It's one of the simplest executabl…
An OCX file is a type of file used by Microsoft Windows operating systems. OCX stands for OLE Control Extension, where OLE stands for…
OCX files are components used by Windows operating systems to provide reusable functionality to different software applications. They…
The NES file format, typically with the '.nes' extension, is a ROM image containing the program code and data for a Nintendo Entertain…
An OCX file is a type of file used in older versions of Microsoft Windows. The extension stands for OLE Control Extension. OCX files a…
A .dll (Dynamic Link Library) file is a library that contains code and data that can be used by more than one program at the same time…
An ARX file is an AutoCAD Runtime Extension file, which serves as a compiled plugin or add-on for Autodesk AutoCAD software. Developed…
The SWF (Shockwave Flash Object) file format is a proprietary format developed by Macromedia (later acquired by Adobe) primarily used…
The MLL file extension is primarily associated with Autodesk Maya, a professional 3D computer graphics application used for creating i…
The .x64 file extension is a specialized format typically used to identify binary files, drivers, or executable components specificall…
The .air file extension is primarily associated with the Adobe Integrated Runtime (AIR), a cross-platform runtime system originally de…
The Executable and Linkable Format (ELF) is a common standard file format for executables, object code, shared libraries, and core dum…
The Common Object File Format (COFF) is a file format used for object code, executables, and shared libraries in various operating systems, particularly Unix-l…
A VXD file is a Virtual Device Driver file used in older versions of Microsoft Windows, specifically Windows 3.x, 95, 98, and Me. These drivers provide low-lev…
The Executable and Linkable Format (ELF) is a common standard file format for executables, object code, shared libraries, and core dumps. It's a flexible and e…
A .COM file is an executable file format used primarily in DOS and early Windows operating systems. It's one of the simplest executable formats, typically limi…
An OCX file is a type of file used by Microsoft Windows operating systems. OCX stands for OLE Control Extension, where OLE stands for Object Linking and Embedd…
OCX files are components used by Windows operating systems to provide reusable functionality to different software applications. They are essentially Dynamic L…
The NES file format, typically with the '.nes' extension, is a ROM image containing the program code and data for a Nintendo Entertainment System (NES) game. T…
An OCX file is a type of file used in older versions of Microsoft Windows. The extension stands for OLE Control Extension. OCX files are essentially dynamic li…
A .dll (Dynamic Link Library) file is a library that contains code and data that can be used by more than one program at the same time. In the context of .NET…
An ARX file is an AutoCAD Runtime Extension file, which serves as a compiled plugin or add-on for Autodesk AutoCAD software. Developed using the ObjectARX (Aut…
The SWF (Shockwave Flash Object) file format is a proprietary format developed by Macromedia (later acquired by Adobe) primarily used to store vector graphics…
The MLL file extension is primarily associated with Autodesk Maya, a professional 3D computer graphics application used for creating interactive 3D application…
The .x64 file extension is a specialized format typically used to identify binary files, drivers, or executable components specifically compiled for the x86-64…
The .air file extension is primarily associated with the Adobe Integrated Runtime (AIR), a cross-platform runtime system originally developed by Adobe Systems…
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…
Everything you need to know about file extensions