Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.X64
File Type
64-bit Binary Executable File
Category
Executable
Best first step
Use compatible software
Quick Summary
A practical overview of the .x64 file format
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, allowin…
File extension
.X64
File type
64-bit Binary Executable File
Category
Executable
Recommended action
Open with a trusted compatible app
How to open a .x64 file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .x64.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .x64 file?
File extension details and usage information
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.
Software Compatibility
Programs that may open or work with .x64 files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .x64 files be converted?
Options for saving or exporting this file to another format
In many cases, a .x64 file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .x64 file.
Why can't I open a .x64 file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .x64 format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .x64 files
To open a .x64 file, use software that supports this file format.
- Windows File Explorer
- IDA Pro
- Ghidra
- Dependency Walker
- HxD Hex Editor
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .x64 file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.