#Connect-AzAccount
$ctx = New-AzStorageContext -StorageAccountName "" -StorageAccountKey ""
$shareName = ""
$directoryPath = ""
$DirIndex = 0
$day = 1
$startdate = (Get-Date).AddDays(-180)
$endDate = (Get-date).AddDays(-32)

$dirsToList = New-Object System.Collections.Generic.List[System.Object]

$shareroot = Get-AzStorageFile -ShareName $shareName -Path $directoryPath -context $ctx
$dirsToList += $shareroot
While ($dirsToList.Count -gt $DirIndex)
{
    $dir = $dirsToList[$DirIndex]
    $DirIndex ++
    $fileListItems = $dir | Get-AzStorageFile
    $dirsListOut = $fileListItems | where {$_.GetType().Name -eq "AzureStorageFileDirectory"}
    $dirsToList += $dirsListOut
    $files = $fileListItems | where {$_.GetType().Name -eq "AzureStorageFile"}

    foreach($file in $files)
    {
        $task = $file.CloudFile.FetchAttributesAsync()
        $task.Wait()

        if ($file.CloudFile.Properties.LastModified -ge $startdate -and $file.CloudFile.Properties.LastModified -ge $endDate  )
        {
            if ($file.CloudFile.Properties.LastModified.day -ne '01'  )
            {
                $file | Remove-AzStorageFile
            }
        }
        if ($file.CloudFile.Properties.LastModified -lt $startdate)
        {   
            $file | Remove-AzStorageFile 
        }
    }
  }