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A .BTM file is a batch file used by Take Command Console (TCC), a command-line interpreter for Windows. TCC is a replace...
An OLE Control Extension (OCX) file is a type of dynamic-link library (DLL) used in Microsoft Windows operating systems....
A .BAT file is a batch file containing a series of commands to be executed by the command-line interpreter (usually cmd....
The MSI file extension represents a Windows Installer package. It's a database file format used by the Windows Installer...
ActiveX controls are small programs, also known as add-ons, that are used on the Internet to provide interactive content...
OCX files are components used in the Microsoft Windows operating system. They are essentially Dynamic Link Libraries (DL...
A .pyo file is a compiled version of a Python source code file (.py). It's created when Python is run with the `-O` or `...
A dylib file is a dynamically linked library used on macOS operating systems. It's analogous to DLL files on Windows and...
A shared object file, identified by the `.so` extension, is a dynamically linked library used primarily in Linux and oth...
An EXE file is a common file extension for executable files in Windows operating systems. It contains program code that ...
The .app extension on macOS signifies an Application Bundle. This isn't a single file, but rather a directory (presented...
The Mach-O (Mach Object) file format is a file format used by macOS, iOS, watchOS, and tvOS for executables, object code...
A .pyz file is a Python Zip Application, which is an archive containing Python code that can be executed directly. It's ...
A .pkg file is a package installer used on macOS. It's essentially an archive containing the files and instructions need...
A .NET Assembly file, typically with the extension '.dll' (Dynamic Link Library) or '.exe' (Executable), is a compiled u...
The Common Object File Format (COFF) is a file format used for object code, executables, and shared libraries in various...
A DRV file is a device driver file. Device drivers are essential software components that enable the operating system to...
AppImage is a format for distributing portable software on Linux without needing superuser permissions to install the ap...
The 'a.out' file extension, short for "assembler output," historically represents an executable file format primarily us...
OCX files are components used by Windows operating systems to provide reusable functionality to different software appli...
A DLL (Dynamic Link Library) file is a library that contains code and data that can be used by more than one program at ...
A .CMD file is a command script file used primarily by the Windows NT family of operating systems (Windows NT, 2000, XP,...
The .appx file extension is used for application packages in the Universal Windows Platform (UWP). It's essentially a ZI...
A VXD file is a Virtual Device Driver file used in older versions of Microsoft Windows, specifically Windows 3.x, 95, 98...
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Categories are organized by file type purpose: Documents, Images, Audio, Video, Archives, Executables, Data files, and Programming files.
Yes, use the alphabetic filter buttons to quickly find extensions starting with specific letters.
Each extension page includes software compatibility, file descriptions, alternatives, and usage information.
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