Convert Outlook FolderID

Script to Convert Outlook FolderID to HexEntryID

param ([string] $FolderId)
$HexEntryId = [System.BitConverter]::ToString([Convert]::FromBase64String($FolderId.ToString())).Replace("-","").Substring(2)
$HexEntryId = $HexEntryId.SubString(0,($HexEntryId.Length-2))
$HexEntryId