C64 file format description

C64 file format

We made this page to help you understand how to work with C64 files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the C64 file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing C64 files, this page offers all the tools you need.

#1 Commodore 64 ROM Image

The C64 file is categorized under Data. It is associated with Vice C64 Emulator, serving as a Commodore 64 ROM Image. Commodore 64 is a home computer released in January 1982 by Commodore and retired in April 1994. Visit the website of Vice C64 Emulator for a detailed description of the C64 format.

Application:Vice C64 Emulator
Category:Data files
Magic:- / -

Commodore 64 ROM Image related extensions

  • hkl SHELX Reflection Data
  • krp HiCAD 3D Part Data
  • phb Motorola Phone Book
  • cmu Andrew Toolkit CMU Data

#2 PC64 Saved Session

The C64 file is categorized under Data. It is associated with PC64, serving as a PC64 Saved Session. Personal C64 (PC64) is a Commodore 64 emulator for the PC. Visit the website of PC64 for a detailed description of the C64 format.

Category:Data files
Magic:- / -

PC64 Saved Session related extensions

  • 64d PC64 Emulator Data
  • 64k PC64 Emulator 64K Data
  • r00 PC64 Relative Container Data
  • s00 PC64 SEQ Container Data

Did someone accidentally misspell the C64 filename?

The C64 filename extension may be misspelled. We compiled a list of similar file extensions to help you find errors.

Filename extensions similar to C64:

Windows can't open your C64 file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this C64 file.

To set the C64 file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set C64 file association. Many apps can open files. They don't need a specific file association to be set.

Handle C64 files with care

Exercise caution when handling C64 files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar C64 files. Use trusted antivirus software to scan files from unknown sources before opening.

If you find the information on this C64 page useful, please feel free to link to this page. >> C64 file