diff --git a/src/db/mongo_manager.py b/src/db/mongo_manager.py
index c510215..93eed95 100755
--- a/src/db/mongo_manager.py
+++ b/src/db/mongo_manager.py
@@ -88,6 +88,17 @@ class MongoDbManager:
         except Exception as Error:
             self.logger.info(Error)
 
+    def upload_contact_list_to_collection(self, contact_list: list, collection_name):
+
+        try:
+            collection_to_use = self.db[collection_name]
+            for contact in contact_list:
+                # collection_to_use.insert_one(contact.to_firestore_dict())
+                collection_to_use.replace_one(filter={'_id': contact.mail, }, replacement=contact.to_firestore_dict(),
+                                              upsert=True)
+        except Exception as Error:
+            self.logger.info(Error)
+
     def get_all_accepted_appointments(self) -> list:
         collection_name = ACCEPTED_APPOINTMENT_LIST
         appointment_list_contacts = []
diff --git a/src/utils/contacts/check_all_collections.py b/src/utils/contacts/check_all_collections.py
index e801bfc..bef5c98 100644
--- a/src/utils/contacts/check_all_collections.py
+++ b/src/utils/contacts/check_all_collections.py
@@ -1,6 +1,8 @@
+from pathlib import Path
+
 from src.db.mongo_manager import MONGO_STORE_MANAGER
-from src.person_name.contact_manager import write_new_contacts_to_excel
 from src.pojo.contact_pojo import ContactPojo
+from src.utils.excel_reader import read_contacts
 
 DOMAIN_TO_INCLUDE = ["aol.com", "yahoo.com", "gmx.de", "gmx.net", "inbox.lv"]
 
@@ -32,11 +34,11 @@ def get_all_not_used_mails():
     return not_used_emails
 
 
-def get_all_old_contact_set():
+def get_all_old_contact_set(start_with="2024"):
     all_collection_list = get_all_collections()
     collection_to_check = []
     for col in all_collection_list:
-        if col.startswith('20'):
+        if col.startswith(start_with):
             collection_to_check.append(col)
     items_set = set()
     for collection in collection_to_check:
@@ -45,6 +47,15 @@ def get_all_old_contact_set():
     return items_set
 
 
+def get_all_contact_with_source_from():
+    _list_to_check = get_all_old_contact_set()
+    _to_return = []
+    for contact in _list_to_check:
+        if contact.serial is not None and len(contact.serial) > 0:
+            _to_return.append(contact)
+    return _to_return
+
+
 def generate_not_used_contact_list():
     not_used_mail_list = get_all_not_used_mails()
     all_old_contact_set = get_all_old_contact_set()
@@ -63,6 +74,12 @@ def generate_not_used_contact_list():
     return contact_list
 
 
+def upload_to_collection():
+    _contacts = read_contacts(str(Path.home()) + "/Desktop/contact_list_contacts_with_source.xlsx")
+    MONGO_STORE_MANAGER.upload_contact_list_to_collection(_contacts,"CONTACT_LIST_SERIAL_MAP")
+
+
 if __name__ == '__main__':
-    contact_to_save = generate_not_used_contact_list()
-    write_new_contacts_to_excel(valid_contacts=contact_to_save, file_name="all_old_not_used_contact")
+    upload_to_collection()
+    # contact_to_save = get_all_contact_with_source_from()
+    # write_new_contacts_to_excel(valid_contacts=contact_to_save, file_name="contacts_with_source")