As information and communication technologies have been developed, digital records are getting more important. Discussions on managements and archival value of digital records such as e-mail and data set have been undertaken. Furthermore, frequency of digital communication tools usage has been increasing in agencies and has gained recognition as official records. Accordingly, this study aims to deal with importance of instant messenger records and proposes effective management model of instant messenger records. We performed comparative analysis of management records which are related to instant messenger in national archives of United Kingdom, Australia, Canada and Korea and interviewed workers in agencies. Using this results, we propose effective and meaningful model for managing instant messenger records for workers in agencies.