Adding, deleting, or updating a single file requires rebuilding the entire solid block.
Good for sending large, read-only data sets where maximum compression is prioritized over file access speed. Talk through one's backside.7z
Ideal for long-term storage where file access is rare. Adding, deleting, or updating a single file requires
will you need to open single files from this archive? Revisiting 7-ZIP - Coding Horror Talk through one's backside.7z
In solid mode ( -ms=on ), 7-Zip merges all files into a single, massive block of data before applying compression (typically LZMA/LZMA2). This allows the algorithm to find repeating patterns across multiple files rather than just within each individual file.
If one part of the archive is corrupted, it is more likely to lose the entire archive compared to non-solid archives. Common Use Scenarios: