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1. The document discusses significant characteristics that need to be extracted from digital files to enable their long-term preservation and processing. 2. It describes solutions like the PRONOM and DROID formats registries, and the XCL extractor that can identify file formats and extract characteristics in a standardized way. 3. The document argues that automating characteristic extraction is necessary when dealing with large numbers of files, as it can save significant time compared to manual processing.




























