diff --git a/run.sh b/run.sh
index dc3ea8a..2be8fd8 100755
--- a/run.sh
+++ b/run.sh
@@ -2,4 +2,4 @@
 
 cd "$(dirname "$0")"
 
-python main.py
\ No newline at end of file
+python main.py "$@"
\ No newline at end of file
diff --git a/src/mainwindow.py b/src/mainwindow.py
index 695cf23..a317f37 100644
--- a/src/mainwindow.py
+++ b/src/mainwindow.py
@@ -1,5 +1,6 @@
 import os
 import subprocess
+import sys
 from ui.mainwindow import MainWindowUI
 from translations import gls
 from PySide6.QtCore import Slot
@@ -23,6 +24,8 @@ class MainWindow(MainWindowUI):
     def __init__(self):
         super().__init__()
 
+        self.ran_from_aep_file = False
+
         self.setWindowTitle(gls('welcome_win_title'))
         self.install_button.clicked.connect(self.install_button_clicked)
         self.run_button.clicked.connect(self.run_ae_button_clicked)
@@ -71,6 +74,26 @@ class MainWindow(MainWindowUI):
         self.aed_action.triggered.connect(self.ae_folder_clicked)
         self.aeg_action.triggered.connect(self.aegnux_folder_clicked)
         self.cep_action.triggered.connect(self.cep_folder_clicked)
+    
+    def try_autoopen_aep(self):
+        self.run_ae_thread.clear_aep_file_arg()
+        if self.ran_from_aep_file:
+            return
+        
+        self.ran_from_aep_file = True
+        
+        aep_file = ''
+
+        for arg in sys.argv:
+            if '.aep' in arg:
+                aep_file = arg
+                break
+        
+        if aep_file == '':
+            return
+        
+        self.run_ae_thread.add_aep_file_arg(aep_file)
+        self.run_ae_button_clicked()
 
     def init_installation(self):
         if check_aegnux_installed():
@@ -83,6 +106,7 @@ class MainWindow(MainWindowUI):
             self.kill_action.setEnabled(True)
             self.plugininst_action.setEnabled(True)
             self.term_action.setEnabled(True)
+            self.try_autoopen_aep()
 
         else:
             self.install_button.show()
diff --git a/src/runaethread.py b/src/runaethread.py
index 7c3bcd7..83cc55e 100644
--- a/src/runaethread.py
+++ b/src/runaethread.py
@@ -6,5 +6,13 @@ class RunAEThread(RunExeThread):
     def __init__(self):
         super().__init__(['AfterFX.exe'])
     
+    def add_aep_file_arg(self, aep_file: str):
+        self.exe_args.append('Z:' + aep_file)
+    
+    def clear_aep_file_arg(self):
+        for arg in self.exe_args:
+            if '.aep' in arg:
+                self.exe_args.remove(arg)
+    
     def run(self):
         super().run()
\ No newline at end of file