CPB File Extension - What is it and how to open CPB format
cpb 

Opening CPB files

Have a problem opening a .CPB file? We collect information about file formats and can explain what CPB files are. Additionally we recommend software suitable for opening or converting such files.

What is the .CPB file type?

cpb — cadwork photo Browser.

Software to open or convert CPB files

You can open CPB files with the following programs: 

Popular formats