What aspect of digital preservation focuses on the long-term storage of digital content?

The focus on long-term storage of digital content is encapsulated in the concept of digital preservation strategies. This entails a comprehensive approach that includes not just the storage itself but also the methods and practices involved in maintaining the integrity, authenticity, and accessibility of digital objects over time. Digital preservation strategies encompass a variety of activities such as regular backups, migration of file formats, and redundancy of storage solutions to ensure that digital content remains usable in the face of technology changes and obsolescence.

While content curation, file format management, and data entry play significant roles in the broader context of managing digital information, they are not exclusively concerned with the long-term storage aspect. Content curation focuses primarily on the selection, organization, and management of digital assets, often with a short- to medium-term lens. File format management addresses the challenge of ensuring that digital files remain usable and accessible by managing their formats, but it is a component of the wider strategy rather than the overarching goal. Data entry pertains to the input and organization of digital information but does not directly address the long-term preservation issues necessary for sustainability.

In summary, digital preservation strategies are integral to achieving the long-term storage and viability of digital content, making this the most comprehensive and applicable choice for the question.