The .mppz file extension is used for MagicPlot project files. MagicPlot is a popular cross-platform application for scientific data analysis and plotting. MagicPlot project file .mppz contains data tables, plots and formulas. You can use MagicPlot Pro or MagicPlot Student for opening these files. Download MagicPlot application from the official site for free: http://magicplot.com/downloads.php

MagicPlot Project (.mppz file) opened in MagicPlot Pro application:

.mppz file extension means MagicPlot Project Zipped. Project files are automatically compressed with ZIP algorithm to reduce size.