The cpk file extension is related to the Sega FILM/CPK file format used by Sega CD and Sega Saturn video gaming consoles.

There are 3 other file types using
the CPK file extension!

cpk file icon.cpk - Compiled Server Software Package file

cpk file icon.cpk - Microsoft Driver Test Manager log file

cpk file icon.cpk - CRI Packed File Maker middleware package

Detailed description

Software that works with cpk file extension

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CPK file extension - Sega FILM/CPK file format

What is cpk file? How to open cpk files?

File type specification:

Digital video and movie file type icon Digital video and movie file type

The cpk file extension is associated with FILM, a multimedia container file format developed by Sega for use on its early CD-ROM home video game consoles. Based on analysis of a number of Sega CD and Saturn games, it appears that the format was first developed sometime during the era of the Sega CD, the first CD-based video game console. There are many early variations of the FILM format observed on a number of Sega CD titles. Further, early FILM files have been observed on at least one 3DO game (Lemmings).

The Sega Saturn video game console, released in 1995, was also CD-ROM-based and apparently offered developers a standardized SDK for full motion video (FMV) playback using a modified variant of the well-known Cinepak video codec.

It is possible to store both audio and video in a FILM file. Alternatively, the format is able to handle either video without audio, or vice versa.

Help how to open CPK files:

Use MPlayer to playback *.cpk files.

How to convert file with extension CPK:

Generally speaking, you will need a multimedia converter if you want to convert one video format to another. You can find hundreds of converters on the internet, but their quality may vary and many may not even support every video format. So always use some of the more popular and reliable software first.

For general information try to look at:
Basic info how to convert video and movie files

File identification strings:

HEX code: 46 49 4C 4D
ASCII code: FILM

List of recommended software applications associated to the .cpk file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open cpk file, edit cpk file, convert cpk file, view cpk file, play cpk file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Play cpk file

cpk file players - programs that can play cpk file - Sega FILM/CPK file format

Click on the link to get more information about listed programs for play cpk file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Linux/Unix:

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