This literature review delves into the evolution, market size, and competitive landscape of accounting software packages in Australia. It examines the development and adoption of these systems, highlighting key players like Xero, MYOB, and Intuit. The review analyzes the current market size and identifies the factors contributing to the competitive advantage of leading players. Furthermore, it explores the challenges faced by users and provides relevant suggestions and recommendations for addressing these gaps. The analysis concludes with a discussion on the importance of accounting software packages for organizations of all sizes and emphasizes the need for robust internal control mechanisms to ensure efficient and secure accounting practices.