How to open .CPK file extension?

If you cannot open a new file that has been saved in the .CPK format you need to download the appropriate software. The manufacturer of .CPK files is Microsoft; .CPK files belong to the Data Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .CPK files. Activities performed in the order described should solve the problems with all the files in the .CPK format.