Notes about the CPK file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The CPK file type is primarily associated with 'Sega' by Sega of America, Inc.. FILM is a multimedia container file format developed by Sega for use on its early CD-ROM home video game consoles.
Detailed information for file extension CPK:
Primary association: Sega
File classification: VideoIdentifying characters
Hex: 46 49 4C 4D , ASCII: FILM
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.
To view technical data on file-extension CPK click this link
to expand/hide the additional area.
System Info for File Extension .CPK
The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly
from user systems.
ProgramID: cpkfile, FileType: Copernic Engine Package, AppName: Copernic
EXEFile: Copernic.exe %1
EXEFile: %ProgramFiles%\Copernic 2000\Copernic.exe %1
EXEFile: %ProgramFiles%\Copernic 2001 Basic\Copernic.exe %1