: By treating files as a single stream, the algorithm (usually LZMA or LZMA2 ) can find redundancies across different files, significantly reducing the total size—especially if the files are similar.
: If a solid archive becomes corrupted, it may be impossible to recover any files within the damaged block, whereas non-solid archives often allow for the recovery of undamaged individual files. JSB1213GcP1.7z
: To extract a specific file from the middle of a solid archive, the software must decode all preceding data in that block, which can be slower than extracting from a non-solid ZIP archive. : By treating files as a single stream,
7-zip default compression level (split from solid block thread) JSB1213GcP1.7z