Open MGD File
MGD file extension is used, mainly for Master Grade Gradebook.
More about Master Grade Gradebook
Master Grade is a gradebook app for teachers.
With a design that is characterized by its intuitive and efficient interface, it allows access to an unlimited number of classes, students, comments and reports from a single file.
Master Grade enables effortless data exchange with office management systems, flexible calculation weighting, support for numeric and free-form comments (with spell check), and the ability to generate a variety of progress reports for classes and individual students.
The Master Grade format and hence the MGD extension was developed by Maxium Developments.