In the 7-Zip GUI , you can enable this by checking in the Add to Archive dialog. In the command line, use the -ms switch: -ms=on : Enables solid mode (default for 7z).
When creating a backup, this feature provides several benefits and trade-offs: backup.7z
: Modifying or deleting a file within a solid archive is more resource-intensive because the entire solid block must be rebuilt. How to use it In the 7-Zip GUI , you can enable
: If a portion of a solid block is damaged, it can potentially affect all files within that same block. In the 7-Zip GUI
: To extract a single file from the middle of a large backup.7z solid archive, the software must decode all preceding data in that solid block, making partial restores slower.