diff --git a/tubearchivist/home/src/es/index_mapping.json b/tubearchivist/home/src/es/index_mapping.json
index f30a82d..5b487ce 100644
--- a/tubearchivist/home/src/es/index_mapping.json
+++ b/tubearchivist/home/src/es/index_mapping.json
@@ -39,6 +39,16 @@
                 "channel_last_refresh": {
                     "type": "date",
                     "format": "epoch_second"
+                },
+                "channel_overwrites": {
+                    "properties": {
+                        "format": {
+                            "type": "text"
+                        },
+                        "autodelete_days": {
+                            "type": "long"
+                        }
+                    }
                 }
             },
             "expected_set": {
@@ -102,6 +112,16 @@
                         "channel_last_refresh": {
                             "type": "date",
                             "format": "epoch_second"
+                        },
+                        "channel_overwrites": {
+                            "properties": {
+                                "format": {
+                                    "type": "text"
+                                },
+                                "autodelete_days": {
+                                    "type": "long"
+                                }
+                            }
                         }
                     }
                 },
diff --git a/tubearchivist/home/src/index/channel.py b/tubearchivist/home/src/index/channel.py
index 57a1c4e..3837bcd 100644
--- a/tubearchivist/home/src/index/channel.py
+++ b/tubearchivist/home/src/index/channel.py
@@ -267,3 +267,19 @@ class YoutubeChannel(YouTubeItem):
         }
         all_playlists = IndexPaginate("ta_playlist", data).get_results()
         return all_playlists
+
+    def get_overwrites(self):
+        """get all per channel overwrites"""
+        return self.json_data.get("channel_overwrites", False)
+
+    def set_overwrites(self, overwrites):
+        """set per channel overwrites"""
+        valid_keys = ["format", "autodelete_days"]
+        for key in overwrites:
+            if key not in valid_keys:
+                raise ValueError(f"invalid overwrite key: {key}")
+
+        if "channel_overwrites" in self.json_data.keys():
+            self.json_data["channel_overwrites"].update(overwrites)
+        else:
+            self.json_data["channel_overwrites"] = overwrites