-o (set Output directory) switch
Specifies a destination directory where files are to be extracted.
This switch can be used only with extraction commands.
- This is the destination directory path. It's not required to end with a backslash.
7z x archive.zip -oc:\Doc
extracts all files from the archive.zip archive to the c:\Doc directory.
7z x *.zip -o*
extracts all *.zip archives to subfolders with names of these archives.