NodeXL resolve our problem to creating Many to Many Relationship in according to data. Last month our team got requirement from IT Director: How we can create many-to-many relationship graph based on data, automatically ? We search and tested many tools some online and some desktop installed but no one worked fi9 and complete as per requirement. Few doesn't responded and few suggested to use paper and pen . But Our Team Lead resolve this requirement through a simple tool that was NodeXL.