Purpose: This study aims to provide an overview of the development of tourism information technology from a macro perspective of the chronological lineage of tourism and information technology from its origins to the present. This study also explores the progression of tourism information technology, its implications and its future directions based on a macro environmental analysis framework comprising political, economic, social, technological, environmental and legal perspectives. Design/methodology/approach: This study serves as a valuable connection between theoretical knowledge and practical application, combining the experiences of academic researchers and industry practitioners to thoroughly examine the progress and developments in tourism information technology. This research also identifies critical points in the domain to provide a unified and comprehensive explanation that aligns with the current research findings. Findings: This research reveals the continuous timeline of tourism and information technology development. It discusses the origins, progress and interactions of tourism and information technology, revealing the structural political, economic, social, technological, environmental and legal drivers of tourism information technology. This paper also presents suggestions for future agendas on the basis of a compendium and outlook of influences and implications for the domain. Originality/value: Findings of this study set the foundation for a comprehensive analysis of the transformative influence of information technology on tourism and provide a contextual framework and insightful future agenda guide for subsequent academic and industry exploration and analysis of tourism information technology.