Powershell Word SaveAs UTF-8 txt or pdf.ps1

# Extended from https://superuser.com/a/1187598
$Word = New-Object -ComObject Word.Application

$Files = Get-ChildItem ".\**\*.docx"

ForEach ($File In $Files) {
    $Document = $Word.Documents.Open($File.FullName)

    $Name = ($Document.FullName).Replace("docx", "txt")

    $def = [Type]::Missing

    # 17 - pdf
    # 2 - text
    # 7 - unicode text
    $Document.SaveAs(
        #ref Object FileName,
        [ref] $Name, 
        #ref Object FileFormat,
        [ref] 7, 
        #ref Object LockComments,
        $def,
        #ref Object Password,
        $def,
        #ref Object AddToRecentFiles,
        $def,
        #ref Object WritePassword,
        $def,
        #ref Object ReadOnlyRecommended,
        $def,
        #ref Object EmbedTrueTypeFonts,
        $def,
        #ref Object SaveNativePictureFormat,
        $def,
        #ref Object SaveFormsData,
        $def,
        #ref Object SaveAsAOCELetter,
        $def,
        #ref Object Encoding,
        65001
        #ref Object InsertLineBreaks,
        #ref Object AllowSubstitutions,
        #ref Object LineEnding,
        #ref Object AddBiDiMarks
    )

    $Document.Close()
}

$Word.Close()