If you can tell me or what software it belongs to , I can help you find the specific documentation or academic papers related to its contents.
There is no formal academic paper written about this filename, but based on common naming conventions in technical communities, the "MPL" prefix often refers to one of the following: mpl.part2.rar
Look for the original Matplotlib paper by John D. Hunter (2007) in Computing in Science & Engineering . If you can tell me or what software
It is possible the archive contains source code or documentation related to software licensed under the Mozilla Public License . mpl.part2.rar