This paper has highlighted the level of social networking services (SNS) usage as part of knowledge sharing tool at Faculty of Information Management, University Technology MARA (UiTM). Social networking environment covered a wide range of functionalities and support of different sets of knowledge sharing activities. This is lead to the difficulties to identify the level of usage on social network services among the postgraduate student. Thus, it is also to proof the significant impact towards the knowledge sharing tools. Using questionnaires survey and data analysis, this paper has includes the aspect on demographic influences and level of social network usage in terms of knowledge sharing. Then, as a finding, level of social networking usage shows the social networking is part of knowledge sharing tools. As a conclusion, based on the findings and dimension driven in this study, it has show the social networking services has contribute to knowledge sharing activities.