Files with this specific timestamp format and "solid" compression are frequently found in:
In 2018, it was common for users on forums or file-sharing sites to upload "solid" archives to stay under file size limits. 3. How to Access the Content
If you did not create this file or receive it from a trusted source, be cautious. Archive files can be used to hide malware. Scan the file with antivirus software before extracting.
A "solid" archive is a specific compression method where all files within the .rar package are treated as one continuous data stream.
This significantly improves the compression ratio, especially if you have multiple similar video clips (like security footage from the same angle).
Instead of compressing each video file individually, the compression algorithm looks for patterns across all files in the archive.
A free, open-source alternative that can extract solid archives. The Unarchiver: For macOS users.