It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Archiving data for the long haul
Use sustainable file formats whenever possible and migrate your data to new media every 3-5 years.
These pages offer some of the recommended practices for managing your data, but -of course- every project and study is different and some practices might not work best for you. Please ask us questions, attend workshops, or set up consultations to figure out how to do best by your data.