Right-click on and select "Extract." The software will automatically pull data from Part 12 and the others to reconstruct the full file.
: This is likely a unique release or catalog ID used by a specific "scene" group or a digital library to track a particular upload. sc25044-RETURNLM23.part12.rar
: This indicates that the original file was too large for a single upload and was split into smaller chunks. You cannot open this file individually; you must have all parts (Part 1 through the final part) in the same folder to extract the actual content. Likely Content Types Right-click on and select "Extract