Digital preservation protects data to ensure continuing access in the future; digital archaeology and migration are two preservation strategies used to create and maintain access to obsolete information resources. “Emulation” and “refreshing” are two tools used in digital archaeology to retrieve information from obsolete media. Migration, or moving older data into newer formats and structures, is the most common preservation strategy used by digital asset managers. This article will discuss digital preservation in depth before also delving into ETL (Extract Transform and Load) Data, a process that breaks down data migration into three steps.