diff --git a/app/methods/hosted_file_methods.py b/app/methods/hosted_file_methods.py
index 57c196f..71d0776 100644
--- a/app/methods/hosted_file_methods.py
+++ b/app/methods/hosted_file_methods.py
@@ -179,6 +179,50 @@ async def save_file(
     log.debug(dir(file))
     log.debug(f'{file.filename}')
 
+    if file.filename.endswith('.docwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.docwin', '.doc')
+    if file.filename.endswith('.docxwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.docxwin', '.docx')
+
+    if file.filename.endswith('.odpmac'):
+        log.warning('Fixing mac extension')
+        file.filename = file.filename.replace('.odpmac', '.odp')
+
+    if file.filename.endswith('.odpwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.odpwin', '.odp')
+
+    if file.filename.endswith('.pdfmac'):
+        log.warning('Fixing mac extension')
+        file.filename = file.filename.replace('.pdfmac', '.pdf')
+
+    if file.filename.endswith('.pdfwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.pdfwin', '.pdf')
+
+    if file.filename.endswith('.pptmac'):
+        log.warning('Fixing mac extension')
+        file.filename = file.filename.replace('.pptmac', '.ppt')
+    if file.filename.endswith('.pptxmac'):
+        log.warning('Fixing mac extension')
+        file.filename = file.filename.replace('.pptxmac', '.pptx')
+
+    if file.filename.endswith('.pptwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.pptwin', '.ppt')
+    if file.filename.endswith('.pptxwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.pptxwin', '.pptx')
+
+    if file.filename.endswith('.xlswin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.xlswin', '.xls')
+    if file.filename.endswith('.xlsxwin'):
+        log.warning('Fixing win extension')
+        file.filename = file.filename.replace('.xlsxwin', '.xlsx')
+
     file_info: dict = {}
     file_info['saved'] = None
     file_info['link_to_type'] = link_to_type