It is a chunk of a larger 7-Zip file. It cannot be opened on its own [1].
Ensure the file comes from a trusted source, as split archives can be used to bypass file-size restrictions for distributing potentially unsafe software. To give you more specific content, could you let me know: NOSFERATUS_Sadu.7z.002
This suggests the content within the archive may relate to the 2017 horror film Sadu or a fan project (like a "Nosferatu" themed mod, game, or video). It is a chunk of a larger 7-Zip file
did you download this file from? (e.g., a specific gaming forum, a torrent site?) a specific gaming forum