diff --git a/constants.py b/constants.py
index aedc134..00bbd9d 100644
--- a/constants.py
+++ b/constants.py
@@ -18,7 +18,7 @@ SOUNDS = [('NONE', 'None', '', 0)]
 
 EDIT_SUFFIXES = ['.xml', '.edl']
 MOVIE_SUFFIXES = ['.mov', '.mp4']
-SOUND_SUFFIXES = ['.mp3', '.aaf', '.flac', '.wav']
+SOUND_SUFFIXES = ['.eac3', '.mka', '.ogg', '.mp3', '.oga', '.ac3', '.flac', '.aiff', '.wav', '.wma', '.aac', '.m4a', '.aif', '.mp2']
 
 ASSET_ITEMS = []
 
diff --git a/operators/spreadsheet.py b/operators/spreadsheet.py
index d50b940..27ed397 100644
--- a/operators/spreadsheet.py
+++ b/operators/spreadsheet.py
@@ -655,10 +655,18 @@ class VSETB_OT_export_spreadsheet(Operator):
             for col in worksheet.columns:
                 letter = col[0].column_letter
                 worksheet.column_dimensions[letter].auto_size = True
+                
 
             # Save the file
             workbook.save(str(export_path))
         
+        # elif spreadsheet.format == 'xls':
+        #     try:
+        #         import xlwt
+        #     except ModuleNotFoundError:
+        #         self.report({'INFO'}, 'Installing openpyxl')
+        #         openpyxl = install_module('xlwt')
+
         elif spreadsheet.format == 'Clipboard':
             csv_buffer = StringIO()