: Allowing large technical manuals or legal filings (like those seen in SEC Edgar reports ) to be uploaded across systems with file size limits.

In the world of data management, a file like SC1.7z.004 usually represents the fourth part of a "split archive." This method was popularized for:

: For years, the administrative history of Ellis Island was considered a "black hole." Most administrative files were destroyed decades ago , leaving only thousands of volumes of poorly indexed, nearly illegible letters.