diff --git a/src/main/config.tsx b/src/main/config.tsx
index 08ebf7b8..1f48ee15 100644
--- a/src/main/config.tsx
+++ b/src/main/config.tsx
@@ -85,6 +85,14 @@ if (!fs.existsSync(filtersPath)) {
   fs.writeFileSync(filtersPath, JSON.stringify(defaultFilterData));
 }
 
+const notifiedTodoObjectsPath = path.join(userDataDirectory, 'notifiedTodoObjects.json');
+const notifiedTodoObjectsStorage = new Store<{}>({ cwd: userDataDirectory, name: 'notifiedTodoObjects' });
+
+if (!fs.existsSync(notifiedTodoObjectsPath)) {
+  const defaultNotifiedTodoObjectsData = {};
+  fs.writeFileSync(notifiedTodoObjectsPath, JSON.stringify(defaultNotifiedTodoObjectsData));
+}
+
 if (!fs.existsSync(customStylesPath)) {
   fs.writeFileSync(customStylesPath, '');
 }
@@ -175,4 +183,4 @@ configStorage.onDidChange('tray', () => {
 
 nativeTheme.on('updated', handleTheme);
 
-export { configStorage, filterStorage };
+export { configStorage, filterStorage, notifiedTodoObjectsStorage };
diff --git a/src/main/modules/HandleNotification.tsx b/src/main/modules/HandleNotification.tsx
index 27b0cf4a..6c60bbd4 100644
--- a/src/main/modules/HandleNotification.tsx
+++ b/src/main/modules/HandleNotification.tsx
@@ -1,5 +1,6 @@
+import crypto from 'crypto';
 import { Notification } from 'electron';
-import { configStorage } from '../config';
+import { configStorage, notifiedTodoObjectsStorage } from '../config';
 import { Badge } from '../util';
 import dayjs, { Dayjs } from "dayjs";
 import isToday from 'dayjs/plugin/isToday';
@@ -7,8 +8,6 @@ import isTomorrow from 'dayjs/plugin/isTomorrow';
 dayjs.extend(isToday);
 dayjs.extend(isTomorrow);
 
-export const notifiedTodoObjects = new Set<number>();
-
 export const sendNotification = (title: string, body: string) => {
   const options = {
     title,
@@ -37,6 +36,7 @@ export function mustNotify(date: Date): boolean {
 
 export function handleNotification(id: number, due: string | null, body: string, badge: Badge) {
   const notificationAllowed = configStorage.get('notificationsAllowed');
+  const hash = crypto.createHash('sha256').update(body).digest('hex');
 
   if (notificationAllowed) {
     const today = dayjs().startOf('day');
@@ -47,9 +47,12 @@ export function handleNotification(id: number, due: string | null, body: string,
     if (dueDate.isBefore(today.add(notificationThreshold, 'day'))) {
       badge.count += 1;
 
-      if (!notifiedTodoObjects.has(id)) {
+      const notifiedTodoObjects = new Set<number>(notifiedTodoObjectsStorage.get('notifiedTodoObjects', []));
+
+      if (!notifiedTodoObjects.has(hash)) {
         sendNotification(daysUntilDue, body);
-        notifiedTodoObjects.add(id);
+        notifiedTodoObjects.add(hash);
+        notifiedTodoObjectsStorage.set('notifiedTodoObjects', Array.from(notifiedTodoObjects));
       }
     }
   }
diff --git a/src/main/modules/Ipc.tsx b/src/main/modules/Ipc.tsx
index ab0c82b8..a53ccf71 100644
--- a/src/main/modules/Ipc.tsx
+++ b/src/main/modules/Ipc.tsx
@@ -3,7 +3,7 @@ import processDataRequest from './ProcessDataRequest';
 import { changeCompleteState } from './TodoObject/ChangeCompleteState';
 import { writeTodoObjectToFile, removeLineFromFile } from './File/Write';
 import archiveTodos from './File/Archive';
-import { configStorage, filterStorage } from '../config';
+import { configStorage, filterStorage, notifiedTodoObjectsStorage } from '../config';
 import { addFile, setFile, removeFile, revealFile } from './File/File';
 import { openFile, createFile, changeDoneFilePath } from './File/Dialog';
 
@@ -56,6 +56,15 @@ function handleStoreSetFilters(event: IpcMainEvent, value: any): void {
   }
 }
 
+function handleStoreSetNotifiedTodoObjects(event: IpcMainEvent, value: any): void {
+  try {
+    notifiedTodoObjectsStorage.set('notifiedTodoObjects', value);
+    console.log(`ipcEvents.ts: notifiedTodoObjects saved`);
+  } catch (error: any) {
+    console.error('ipcEvents.ts:', error);
+  }
+}
+
 function handleSetFile(event: IpcMainEvent, index: number): void {
   try {
     setFile(index);
@@ -134,6 +143,7 @@ function removeEventListeners(): void {
   ipcMain.off('storeGetConfig', handleStoreGetConfig);
   ipcMain.off('storeSetConfig', handleStoreSetConfig);
   ipcMain.off('storeSetFilters', handleStoreSetFilters);
+  ipcMain.off('storeSetNotifiedTodoObjects', handleStoreSetNotifiedTodoObjects);
   ipcMain.off('setFile', handleSetFile);
   ipcMain.off('removeFile', handleRemoveFile);
   ipcMain.off('openFile', openFile);
@@ -154,6 +164,7 @@ app.on('before-quit', removeEventListeners);
 ipcMain.on('storeGetConfig', handleStoreGetConfig);
 ipcMain.on('storeSetConfig', handleStoreSetConfig);
 ipcMain.on('storeSetFilters', handleStoreSetFilters);
+ipcMain.on('storeSetNotifiedTodoObjects', handleStoreSetNotifiedTodoObjects);
 ipcMain.on('setFile', handleSetFile);
 ipcMain.on('removeFile', handleRemoveFile);
 ipcMain.on('openFile', openFile);
diff --git a/src/main/preload.js b/src/main/preload.js
index d767fc02..e60e2f2c 100644
--- a/src/main/preload.js
+++ b/src/main/preload.js
@@ -11,6 +11,9 @@ contextBridge.exposeInMainWorld('api', {
     setFilters(value) {
       ipcRenderer.send('storeSetFilters', value);
     },
+    notifiedTodoObjects(value) {
+      ipcRenderer.send('storeSetNotifiedTodoObjects', value);
+    },
   },
   ipcRenderer: {
     send(channel, ...args) {