Ideal for large software or game distributions where space-saving is the priority.
If you are trying to open this file, tools like WinRAR or 7-Zip are typically required to handle the proprietary RAR compression. Are you having trouble this specific file, or
To extract a single file from the middle or end of a solid archive, the software must process all preceding data in the block, which can be slower than standard extraction.
The refers to Solid Compression , a specific method used in the RAR format (and others like 7z) to significantly reduce file size. How the "Solid" Feature Works
Rar solid archive support unavailable error message : r/libreELEC