Which term describes data that is not actively being utilized?

The term that best describes data that is not actively being utilized is data archival. Archiving refers to the process of moving data that is no longer actively used to a separate storage system for long-term retention. This data is preserved and can be retrieved if needed in the future, but it is not part of the regular operational processes, thus fitting the description of being inactive.

Data storage typically refers to the general concept of holding and maintaining data, which may include both active and inactive data, but does not specifically signify that the data is not being utilized. Data sharing involves the distribution of data among users or systems, which is contrary to the nature of inactive data.