Use a file archiver tool like 7-Zip (Windows), The Unarchiver (Mac), or a command-line tool to extract the file.
Often indicates a "small" version, "sample", or "short" version. SS-JulSS-010_s.7z
If you can tell me or what type of project it relates to, I may be able to provide more context. Use a file archiver tool like 7-Zip (Windows),
Likely an index number, item number, or day (e.g., the 10th item or July 10th). The Unarchiver (Mac)
Once extracted, you will be able to see the files and documents inside.
This indicates the file is compressed using the 7-Zip archiving tool. To find out what is in this file: