Windows
Compatible Applications
File Extension Details
The .x64 file extension is a specialized format typically used to identify binary files, drivers, or executable components specifically compiled for the x86-64 processor architecture, also known as AMD64 or Intel 64. This architecture is the standard for modern desktop and server computing, allowing for significantly more efficient data processing and the ability to address vast amounts of system memory—well beyond the 4GB limit of older 32-bit systems. While the .x64 designation is often part of a dual-extension filename (such as program.x64.exe), it is frequently used as a standalone extension for architecture-specific library modules, system drivers, or firmware updates in specialized deployment environments. These files contain low-level machine code that is executed directly by the CPU. Because they are strictly platform-dependent, an .x64 file cannot run on a 32-bit operating system or on ARM-based hardware without software emulation. Developers utilize this extension to ensure that the correct version of a component is loaded by the operating system's loader, preventing instruction set compatibility errors. In the context of security software, system utilities, or driver packages, .x64 files may serve as engine modules or binary blobs optimized for 64-bit instruction sets. They are generally handled by the operating system's kernel or specialized installers rather than being opened by standard user-level productivity software.
Programs that can open and work with .x64 files
Compatible Applications
Compatible Applications
Compatible Applications
Mobile Applications
About .x64 files
To open a .x64 file, you need compatible software. Here are some options:
To convert a .x64 file to another format, you can:
Like any file type, .x64 files can be safe or potentially risky depending on their source:
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