what is param file
The .param files contains all of the parameters which the user requires within the calculation. The parameters can be specified in any order but only one parameter must be specified per line. The most fundamental parameter is the task (there are other types of CASTEP calculation besides geometry optimisation).elp how to open PARAM files: This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type.