.P File Extension

Program source code written in the Pascal programming language.

Plugin file used by LightWave 3D, a 3D modeling and rendering application for animations and still images; stores data and procedures used for extending the software's functionality; often used for auto-generating custom 3D objects and modifying existing object properties.

File created by pickle, a Python module used for converting Python objects to a byte representation for storage on disk or transfer over a network; can be "unpickled" and loaded back into program memory during runtime; allows for objects to be conveniently stored or transmitted without first having to convert the data to another format.