diff --git a/SharePointFunctions.ps1 b/SharePointFunctions.ps1
index 14ac83b..7b5e5b7 100644
--- a/SharePointFunctions.ps1
+++ b/SharePointFunctions.ps1
@@ -478,30 +478,24 @@ function Convert-Files {
                 $excel.DisplayAlerts = $false
                 
                 try {
-                    # Use proper path handling for Excel
-                    $workbook = $excel.Workbooks.Open([string]$downloadPath)
+                    Write-Host "Opening workbook: $downloadPath"
+                    $workbook = $excel.Workbooks.Open($downloadPath)
                     
-                    # Save as XLSX using Excel constants
-                    $xlOpenXMLWorkbook = 51  # Excel constant for XLSX format
-                    
-                    # Create a temporary filename without spaces
-                    $tempXlsxPath = Join-Path $env:TEMP ([System.IO.Path]::GetRandomFileName() + ".xlsx")
-                    
-                    # Save to temporary file first
-                    $workbook.SaveAs([string]$tempXlsxPath, $xlOpenXMLWorkbook)
+                    Write-Host "Saving as XLSX: $xlsxPath"
+                    # Save as XLSX (51 = xlOpenXMLWorkbook)
+                    $workbook.SaveAs($xlsxPath, 51)
                     $workbook.Close($true)
                     
-                    # After Excel is closed, copy the file to the desired location
-                    if (Test-Path -LiteralPath $tempXlsxPath) {
-                        Copy-Item -LiteralPath $tempXlsxPath -Destination $xlsxPath -Force
-                        Remove-Item -LiteralPath $tempXlsxPath -Force
-                    }
-                    else {
-                        throw "Excel SaveAs failed to create temporary file"
+                    Start-Sleep -Seconds 2  # Give Excel time to finish
+                    
+                    if (-not (Test-Path -LiteralPath $xlsxPath)) {
+                        throw "Failed to create XLSX file at: $xlsxPath"
                     }
+                    
+                    $script:txtStatus.Text += "Successfully converted to: $xlsxFileName`n"
                 }
                 finally {
-                    # Proper cleanup of Excel COM objects
+                    # Cleanup
                     $excel.Quit()
                     if ($workbook) {
                         [System.Runtime.Interopservices.Marshal]::ReleaseComObject($workbook) | Out-Null
@@ -510,7 +504,7 @@ function Convert-Files {
                     [System.GC]::Collect()
                     [System.GC]::WaitForPendingFinalizers()
                     
-                    # Force Excel process cleanup
+                    # Kill any remaining Excel processes from this session
                     Get-Process -Name "EXCEL" -ErrorAction SilentlyContinue | 
                         Where-Object { $_.SI -eq [System.Security.Principal.WindowsIdentity]::GetCurrent().SessionId } | 
                         Stop-Process -Force