Efficient File Management with PowerShell

$targetDirectory = "C:\Your\Target\Directory"

$files = Get-ChildItem -Path $targetDirectory -File

foreach ($file in $files) {

$extension = $file.Extension.TrimStart('.')

$subfolderPath = Join-Path -Path $targetDirectory -ChildPath $extension
    if (-not (Test-Path -Path $subfolderPath)) {
        New-Item -ItemType Directory -Path $subfolderPath | Out-Null
    }

$destinationPath = Join-Path -Path $subfolderPath -ChildPath $file.Name
    Move-Item -Path $file.FullName -Destination $destinationPath
}