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Mobile application has become an increasingly popular way for individuals to communicate, allowing for the initiation and maintenance of various relationship types.   WhatsApp can be viewed as a mobile application that allows people to access a great deal of information rapidly with one another.  In this study presents the association between WhatsApp acceptance and behavioral intention to use among non-nursing staff in selected hospital in Melaka that currently used WhatsApp as the tools for office communication.  The Theory Acceptance Model (TAM) which include two variables; Perceived Usefulness and Perceived Ease of Use are used to measure the association of WhatsApp Acceptance and Behavioral Intention to Use.  The questionnaires were distributed and 70 of valid questionnaires were returned.  The data collected were then analyzes using Pearson Correlation to test the research hypothesis and the findings indicate the positive association among two variables towards behavioral intention to use.  Implications of the study are discussed.

WhatsApp, perceived usefulness, perceived ease of use