diff --git a/main.py b/main.py
index 8878295..bc55bb4 100644
--- a/main.py
+++ b/main.py
@@ -3,6 +3,7 @@ from pyrogram import filters
 import asyncio
 import subprocess
 from pathlib import Path
+import shutil
 
 # api_id = 
 #api_hash = ""
@@ -15,34 +16,31 @@ from pathlib import Path
 
 app = Client("2pdf")
 
-def validDocument(mime_type): # Checks if we support this file format
-    if mime_type == "application/msword" or  mime_type == "application/vnd.openxmlformats-officedocument.wordprocessingml.document":
-        return True
-    else:
-        return False
+def validDocument(mime_type):
+    valid_mime_types = [
+        "application/msword", # .doc
+        "application/vnd.openxmlformats-officedocument.wordprocessingml.document", # .docx
+        "application/vnd.ms-excel", # xls
+        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" # .xlsx
+    ]
+    return mime_type in valid_mime_types
 
 async def downloadDocument(file_id, file_name):
-    filepath = await app.download_media(file_id, file_name=file_name)
+    filepath = await (app.download_media(file_id, file_name=file_name))
     return filepath
 
 async def convertDocument(sourceDocumentPath, sourceDocumentName):
-    convertArgs = "/usr/bin/libreoffice --headless  -env:UserInstallation=file:///tmp/2g2pdf_${USER} --convert-to pdf " + "\"downloads/" + sourceDocumentName + "\"" + " --outdir output"
-    subprocess.call(convertArgs, shell=True)
-    outputDocumentPath = "$(pwd)/output/" + sourceDocumentName
-    sourceCleanup = "rm " + "\"downloads/"  + sourceDocumentName + "\""
-    outputDocumentName = Path(f"{sourceDocumentName}").with_suffix('.pdf')
-    subprocess.call(sourceCleanup, shell=True)
-    outputDocumentPath = Path("./output") / outputDocumentName
+    libreofficePath = shutil.which("libreoffice") # Find full path to the libreoffice binary
+    outputDir = "output"
+    Path(outputDir).mkdir(parents=True, exist_ok=True) # Ensure directory exists
+    subprocess.run(args=[libreofficePath, "--headless", "--convert-to", "pdf", "--outdir", outputDir, sourceDocumentPath], check=True)
+    outputDocumentPath = Path(outputDir) / Path(f"{sourceDocumentName}").with_suffix('.pdf')
+    subprocess.run(args=["rm", sourceDocumentPath], check=True)
     return outputDocumentPath
     
 async def uploadDocument(outputDocumentPath, chat, message):
     await app.send_document(document=outputDocumentPath, chat_id=chat, reply_to_message_id=message)
-
-
-@app.on_message(filters.text)
-async def echo(client, message):
-    print(message.text)
-    await message.reply(message.text)
+    subprocess.run(args=["rm", outputDocumentPath])
 
 @app.on_message(filters.document) # Get all of the messages that have files in them
 async def documentFetcher(client, message):