The Arctic is a key region for understanding global climate change. Thus, access to data collected at INTERACT research stations is crucial for the global research community. Providing access to collected data is one major obligation for projects funded by the European Union, like the Horizon 2020 project INTERACT. Therefore, data collected at INTERACT stations need to be made accessible for the public. INTERACT promotes free and open access to data in line with the European Open Research Data Pilot OpenAIRE. This field guide to data management and data repositories provides information about data management principles and their implementation in the workflow, preparation and maintenance of data for efficient discovery and reuse, as well as some guidance on how to choose an appropriate data repository for data preservation and publication in order to comply to the INTERACT open access principles.