: You cannot extract the .003 file directly. You must right-click on the first file in the sequence ( .001 ) and choose "Extract" using the 7-Zip File Manager .
: This confirms it is a split file. To open it, you must have all other parts (e.g., .001 , .002 , and so on) in the same folder. How to Use This File
The filename SS-Sof-002_v.7z.003 indicates that it is the of a split multi-volume compressed archive. File Breakdown
: Often denotes "version" (though usually followed by a number).
Do you have the of this archive saved in the same folder?
: The software will automatically read the data from .003 as it reconstructs the original content.
: This indicates the archive was created using 7-Zip compression.