To open or extract the contents, you cannot simply open the .001 file by itself. You need to follow these steps:

The file extension indicates that this is the first part of a split 7-Zip archive .

: You must have all subsequent parts (e.g., jp_sns.7z.002 , jp_sns.7z.003 , etc.) in the same folder . If any piece is missing, the archive cannot be reconstructed.

: Right-click on the first file ( .001 ) and select "Extract" using a utility like 7-Zip or WinRAR.

: The software will automatically detect the other numbered pieces and combine them back into the original file or folder during the extraction process. Do you have the other numbered parts of this archive, or