.H File

The h file extension is related to C/C++ header files.

The h files are used for header files, referenced by a C++ (eg. CPP file) or Java source code document.

It contains various variables, constants and functions that are used by other files inside the project. It allows commonly used functions to be written only once and referenced by other source files when needed.

A h file extension is associated with the C/C++ programming language and used for its header files.

How to open:

Use any suitable IDE, text editor or specialised application such as Microsoft Visual Studio.

How to convert:

There is no way how to convert *.h files to other formats.