function Get-SPOFolderFiles
{
param (
        [Parameter(Mandatory=$true,Position=1)]
        [string]$Username,
        [Parameter(Mandatory=$true,Position=2)]
        [string]$Url,
        [Parameter(Mandatory=$true,Position=3)]
        $password,
        [Parameter(Mandatory=$true,Position=4)]
        [string]$ListTitle
        )


  $ctx=New-Object Microsoft.SharePoint.Client.ClientContext($Url)
  $ctx.Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Username, $password)
  $ctx.Load($ctx.Web)
  $ctx.ExecuteQuery()
  $ll=$ctx.Web.Lists.GetByTitle($ListTitle)
  $ctx.Load($ll)
  $ctx.ExecuteQuery()
  $spqQuery = New-Object Microsoft.SharePoint.Client.CamlQuery
 $spqQuery.ViewXml ="<View Scope='RecursiveAll' />";
   $itemki=$ll.GetItems($spqQuery)
   $ctx.Load($itemki)
  $ctx.ExecuteQuery()

  foreach($item in $itemki)
  {

  Write-Host $item["FileRef"] -ForegroundColor DarkGreen
  $file =
        $ctx.Web.GetFileByServerRelativeUrl($item["FileRef"]);
        $ctx.Load($file)
        $ctx.Load($file.Versions)
        try{
        $ctx.ExecuteQuery() }
        catch
        {
        continue;
        }
        if ($file.Versions.Count -eq 0)
        {
          $obj=New-Object PSObject
          $obj | Add-Member NoteProperty ServerRelativeUrl($file.ServerRelativeUrl)
          $obj | Add-Member NoteProperty FileLeafRef($item["FileLeafRef"])
          $obj | Add-Member NoteProperty Versions("No Versions Available")

          #$obj | export-csv -Path $CSVPath -Append

          Write-Output $obj
        }
        elseif($file.TypedObject.ToString() -eq "Microsoft.SharePoint.Client.File")
        {

          foreach ($vv in $file.Versions){
          Write-Host $vv.Created $vv.Size $vv.VersionLabel $vv.IsCurrentVersion  $file.Versions.Count

         # Write-Output $vv

          }
          if($file.Versions[($file.Versions.Count-1)].IsCurrentVersion)
          {
          $vLabel=$file.Versions[($file.Versions.Count-2)].VersionLabel
          Write-Host "Version to be restored: " $vLabel
          }
          else{ $vLabel=$file.Versions[($file.Versions.Count-1)].VersionLabel
          Write-Host "Version to be restored: " $vLabel  }
          $file.Versions.RestoreByLabel($vLabel)
          $ctx.ExecuteQuery()
          }

else
{
$obj = New-Object PSObject
$obj| Add-Member NoteProperty FileLeafRef($item["FileLeafRef"])
          $obj | Add-Member NoteProperty Versions("No Versions Available")
  Write-Output $obj
  }
          <#
          try { $ctx.ExecuteQuery()
          $obj=New-Object PSObject
          $obj | Add-Member NoteProperty ServerRelativeUrl($file.ServerRelativeUrl)
          $obj | Add-Member NoteProperty FileLeafRef($item["FileLeafRef"])
          $obj | Add-Member NoteProperty Versions($file.Versions.Count + " versions were deleted")

          $obj | export-csv -Path $CSVPath -Append
          }
          catch {
          $obj=New-Object PSObject
          $obj | Add-Member NoteProperty ServerRelativeUrl($file.ServerRelativeUrl)
          $obj | Add-Member NoteProperty FileLeafRef($item["FileLeafRef"])
          $obj | Add-Member NoteProperty Versions($file.Versions.Count + " versions. Failed to delete")

          $obj | export-csv -Path $CSVPath -Append

          }#>




  }







}

#Paths to SDK
Add-Type -Path "c:Program FilesCommon Filesmicrosoft sharedWeb Server Extensions15ISAPIMicrosoft.SharePoint.Client.dll"
Add-Type -Path "c:Program FilesCommon Filesmicrosoft sharedWeb Server Extensions15ISAPIMicrosoft.SharePoint.Client.Runtime.dll"

#Enter the data
$AdminPassword=Read-Host -Prompt "Enter password" -AsSecureString
$username="t@trial456.onmicrosoft.com"
$Url="https://trial456.sharepoint.com/sites/teamsitewithlibraries"
$ListTitle="uyyu"



Get-sPOFolderFiles -Username $username -Url $Url -password $AdminPassword -ListTitle $ListTitle