The revolutionary developments in information and communication technologies have drastically changed the way we communicate in our personal as well as professional life. Traditionally email was considered as formal mean of communication in organisations but now a days its common to use social networking apps for official communication. WhatsApp in this regard have so much importance as it is being used in various industries because of its security, immediacy, and easy to use features. This

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... r studies the role of technology acceptance model (TAM) on adoption of WhatsApp for official communication and information sharing. The sample was collected from 328 respondents from 10 Malaysian universities using survey technique. The data was analysed using SMART-PLS. The findings of the research confirm that perceived usefulness and perceived ease of use are the key constructs for adoption of WhatsApp as channel for official communication. Furthermore, the limitations and future directions of the study are also recommended.