CAD project file created by Multisim, an application used for designing and analyzing circuits; includes one or more circuit designs, which are saved using .MS10 files; may also include simulation data, documents, and reports; enables users to organize and manage multiple designs in a single project. NOTE: Multisim version 11 uses .MP11 files for storing Multisim projects. However, the software can still open older .MP7, .MP8, .MP9, and MP10 projects.