diff --git a/src/backend/core/models.py b/src/backend/core/models.py
index 11baa28a..f5199ec1 100644
--- a/src/backend/core/models.py
+++ b/src/backend/core/models.py
@@ -18,6 +18,8 @@ from django.utils.translation import gettext_lazy as _
 
 from timezone_field import TimeZoneField
 
+from .recording.enums import FileExtension
+
 logger = getLogger(__name__)
 
 
@@ -576,6 +578,21 @@ class Recording(BaseModel):
             RecordingStatusChoices.STOPPED,
         }
 
+    @property
+    def extension(self):
+        """Get recording extension based on its mode."""
+        extensions = {
+            RecordingModeChoices.TRANSCRIPT: FileExtension.OGG.value,
+            RecordingModeChoices.SCREEN_RECORDING: FileExtension.MP4.value,
+        }
+        return extensions.get(self.mode, FileExtension.MP4.value)
+
+    @property
+    def key(self):
+        """Generate the file key based on recording mode."""
+
+        return f"{settings.RECORDING_OUTPUT_FOLDER}/{self.id}.{self.extension}"
+
 
 class RecordingAccess(BaseAccess):
     """Relation model to give access to a recording for a user or a team with a role."""
diff --git a/src/backend/core/recording/event/notification.py b/src/backend/core/recording/event/notification.py
index 32d2d030..617ea06d 100644
--- a/src/backend/core/recording/event/notification.py
+++ b/src/backend/core/recording/event/notification.py
@@ -112,10 +112,8 @@ class NotificationService:
             logger.error("No owner found for recording %s", recording.id)
             return False
 
-        key = f"{settings.RECORDING_OUTPUT_FOLDER}/{recording.id}.ogg"
-
         payload = {
-            "filename": key,
+            "filename": recording.key,
             "email": owner_access.user.email,
             "sub": owner_access.user.sub,
         }
diff --git a/src/backend/core/tests/test_models_recording.py b/src/backend/core/tests/test_models_recording.py
index 065694e4..abcefede 100644
--- a/src/backend/core/tests/test_models_recording.py
+++ b/src/backend/core/tests/test_models_recording.py
@@ -12,7 +12,8 @@ from core.factories import (
     UserFactory,
     UserRecordingAccessFactory,
 )
-from core.models import Recording, RecordingStatusChoices
+from core.models import Recording, RecordingModeChoices, RecordingStatusChoices
+from core.recording.enums import FileExtension
 
 pytestmark = pytest.mark.django_db
 
@@ -216,3 +217,36 @@ def test_models_recording_worker_id_very_long():
     too_long_id = "w" * 256
     with pytest.raises(ValidationError):
         RecordingFactory(worker_id=too_long_id)
+
+
+# Test key property method
+
+
+def test_models_recording_key_for_transcript(settings):
+    """Test key property returns correct path for transcript mode."""
+
+    settings.RECORDING_OUTPUT_FOLDER = "/custom/path"
+
+    recording = RecordingFactory(mode=RecordingModeChoices.TRANSCRIPT)
+    expected_path = f"/custom/path/{recording.id}.{FileExtension.OGG.value}"
+    assert recording.key == expected_path
+
+
+def test_models_recording_key_for_screen_recording(settings):
+    """Test key property returns correct path for screen recording mode."""
+    settings.RECORDING_OUTPUT_FOLDER = "/custom/path"
+
+    recording = RecordingFactory(mode=RecordingModeChoices.SCREEN_RECORDING)
+    expected_path = f"/custom/path/{recording.id}.{FileExtension.MP4.value}"
+    assert recording.key == expected_path
+
+
+def test_models_recording_key_for_unknown_mode(settings):
+    """Test key property uses default extension for unknown mode."""
+
+    settings.RECORDING_OUTPUT_FOLDER = "/custom/path"
+    recording = RecordingFactory()
+    # Directly set an invalid mode (bypassing validation)
+    recording.mode = "unknown_mode"
+    expected_path = f"/custom/path/{recording.id}.{FileExtension.MP4.value}"
+    assert recording.key == expected_path