[Foreigner]

death7lord,

Код:

@echo off
setlocal

set "path=%path%;%programfiles%\7-zip"

pushd "C:\Your Start Folder" || goto:eof
for /f "tokens=*" %%i in ('dir /b /s /a *.zip *.rar *.7z') do (

	7z x "%%i" -o"%%~dpni" -aoa

)
popd