: If you only have .002 , the data is effectively "dead." You cannot recover the information without part .001 , as that contains the header information (the "map") of what is inside the archive. Common Use Cases for This Naming Convention
: "SS-Ele" is a frequent shorthand for "Substation Electrical" or "System Schematic - Electrical." Versions like v.7z suggest this is a versioned backup of a large CAD project or wiring diagram. SS-Ele-023_v.7z.002
: Some specialized hardware manufacturers use these codes for tiered firmware or driver packages. : If you only have