An online M.Sc program is a graduate-level academic program that can be completed entirely online, without requiring students to attend classes on campus. These programs are designed to provide students with advanced knowledge and skills in their chosen field of study, and typically take between 1-3 years to complete, depending on the program's requirements.

Online M.Sc program are often offered by accredited universities and colleges, and may be delivered through a variety of digital platforms, such as video conferencing, online learning management systems, and interactive web-based tools. Coursework in these programs may include lectures, readings, assignments, and exams, all of which can be completed online.