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: This confirms the file is part of a "split volume." You need Part 01 through at least Part 04 (and likely more) to extract anything.
Knowing the source would help me identify exactly what the archive contains. S2ckb0yDODI2GB.part04.rar
: High-definition video series or disc images (ISOs). : This confirms the file is part of a "split volume
: All parts (except the very last one) should usually be the exact same size. If one is smaller, the download might be corrupted. S2ckb0yDODI2GB.part04.rar
: Often high-capacity installers split into 1GB or 2GB chunks.
: Files with these names are frequently password-protected. You would need to refer back to the website or forum where you found the link.