There is only one file type that uses the .MP14 extension:
Multisim 14 Project
An MP14 file is a project created by version 14 of Multisim, a program used to analyze, design, and simulate circuits. It contains simulation results, reports, documents, and references to one or more circuit designs stored in .MS14 files. MP14 files are used to organize MS14 designs in one project.
|National Instruments Multisim||Commercial|
Updated: July 14, 2017