Ensure you have the corresponding .001 file (and any others like .003 , .004 ) saved in the same directory as your .002 file.
The most important thing to understand is that . It is only a fraction of the total data. To access what’s inside, you must have all parts of the archive in the same folder on your computer. How to Extract "SS-Oli-011_s.7z.002"
A file ending in .7z.002 is the second part of a multi-volume compressed archive created using 7-Zip, a popular open-source file archiver.
Right-click on the first file in the sequence—the one ending in .7z.001 .
Select "Extract Here" or "Extract to..." from the menu. Your software will automatically detect the .002 part and combine them back into the original file. A Note on Safety