.CP File

File extension cp is primarily related to the Xcode integrated development environment that allows programmers to create software for Mac OS X and iOS operating systems.

A .cp file stores source code pre-written in the C++ programming language,

Files with cp suffix can be often encountered as C++ source code files prepared using Xcode.

How to open:

Use Xcode to open .cp C++ source code files.

How to convert:

Source files can be rarely converted. However, if you find some kind of parser it may be possible to transform them to other programming language.