Unzip a tree of folders containing ZIP files, requires PowerShell and 7z

unzip-recursive.ps1

Get-ChildItem –Path "C:\temp" -Recurse |
Where-Object -Property Extension -EQ '.zip' |

Foreach-Object {

    Write-Output $_.FullName

    $command = "7z x ""$($_.FullName)"" -o""$($_.Directory)"" -aos -bso0 -bsp2"

    Write-Output $command
    Invoke-Expression $command
    # Uncomment to remove ZIP file afterwards
    #Remove-Item -Path $_.FullName

}