This study aims to test and carry out the process of adapting the Organizational Communication Satisfaction Measurement Tool of millennial employees in Indonesia. Currently, the millennial generation makes up 40% of the population in Indonesia, covering more than 60% in many organizations. Some of the allegations against millennials are communication factors that need to be adjusted between millennial and other generations. The purpose of this research is to discover a suitable measurement of communication, adjusted to the conditions in Indonesia. Confirmatory Factor Analysis (CFA) method with AMOS version 18 was used to analyzed data of 200 people who participated in the study from April to June 2019. The CFA model used to test the Communication Satisfaction instrument uses the first-order model, which include eight Communication Satisfaction dimensions: supervisory communication, co-worker communication, subordinate communication, corporate information, informal information, information availability, performance appraisal reward, and governance for complaints and responses. The scale was adapted from the Communication Satisfaction Questionnaire developed by Down & Hazen (1977), Down & Adrian (2004), and Wagner et al. (2014). The results show that the scale is valid for 39 items and invalid for two items. It is concluded that the adaptation process was successfully carried out, and the scale could be used for the millennial employees. Keywords:communication satisfaction, millennial employees, scale adaption, organizational performance