Preserving or archiving research data ensures it lives beyond the life of one specific research project. There are likely to be costs involved, so you will have to weigh these against the benefits. Also consider:
The goal is to maintain data that have long-term value to the research community. Questions to ask when appraising data to be archived include:
The Digital Curation Centre have a checklist for appraising research data that might be a useful place to start: Five steps to decide what data to keep.
As with sharing and storing data, data repositories are a great place to put your research data for preservation purposes.
Repositories range from personal, departmental, and institution-based locations to global data service centres. Factors to consider when choosing a repository include: