Ss-tas-015_s.7z.001 File

7zip file with numbers on it like 001 means that you only have a part file of the whole compressed file. Microsoft Learn

: The .001 extension indicates this is Volume 1. To extract the contents, you must have all subsequent parts (e.g., .002 , .003 ) in the same folder. SS-Tas-015_s.7z.001

: If prompted for a password, you will need the specific key provided by the original uploader. 7zip file with numbers on it like 001