Commodore 64 Disk Image
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What is an X64 file?
An X64 file contains a disk image dumped from a Commodore 64 hard disk or floppy disk. It stores information about a Commodore 64 game or program in X64 format, which includes a 64-byte header followed by disk image data. X64 files are supported by Various emulators of Commodore 64 (C64), a popular personal computer from the 1980s.
The X64 format supports disk images dumped from various types of Commodore disks, including 1541, 1571, and 1581. Teemu Rantanen initially developed it for the Unix-based X64 emulator, which the VICE emulator eventually superseded.
You will likely only encounter an X64 file if you are a computing enthusiast attempting to emulate a game or program from the discontinued Commodore 64 computer. Some computing enthusiasts dump disk image data from an actual floppy disk or cartridge and save it in the X64 format to run in an emulator on their computer. However, most enthusiasts download X64 files from websites.
How to open an X64 file
You can open X64 files with various emulators, including Vice (multiplatform), WinVICE (Windows), and CCS64 (Windows). You can also upload X64 files to C64 online emulator and run them in a web browser.