PSPROJ is an extension characteristic for files related to the integrated development environment called PyScripter. PSPROJ are files used to store programming projects made in this tool. The file itself does not contain all the data included in the project, but contains information about their location. This allows you to organize the project in an appropriate way.

PyScripter is a free tool by Kiriakos Vlahos. It is used to create projects using the Python programming language.