thx i find only switches for 7zcommand line and not for sfx exe's at the 7-zip helf file it works like this in my command line ! test.exe x -y /r:n -oc:\test342 but with systemroot it dont work test.exe x -y /r:n -o%systemroot%\test342 dont work test.exe x -y /r:n -o"%systemroot%"\test342 dont work too any help ?