: When files are too large for certain storage or sharing platforms, they are split into numbered parts.
: You will need the 7-Zip utility to reassemble the parts. Open only the .001 file; the software will automatically pull data from .002 and .003 to complete the extraction.
: The "SS-Nit-037" prefix is often associated with specific niche content libraries or scene releases found on file-sharing sites, but there is no official consumer software or hardware known by this exact identifier. Safety and Security Tips
Could you clarify or what you believe it contains? I can help you look for reviews of the specific game, movie, or software once the contents are identified.
Since this file is an encrypted or compressed archive from a third-party source, exercise caution before attempting to combine and open it: