diff --git a/e2e/tests/planner/planner-add-subtask-from-detail.spec.ts b/e2e/tests/planner/planner-add-subtask-from-detail.spec.ts
index 5272e565bc..32eb772d8c 100644
--- a/e2e/tests/planner/planner-add-subtask-from-detail.spec.ts
+++ b/e2e/tests/planner/planner-add-subtask-from-detail.spec.ts
@@ -34,6 +34,17 @@ test.describe('Planner: add subtask from detail panel', () => {
     const panel = page.locator(DETAIL_PANEL);
     await expect(panel).toBeVisible({ timeout: 5000 });
 
+    // Let the panel's deferred open-time auto-focus land first. It fires ~200ms
+    // after open (delay(50) + a 150ms guarded focus) and moves focus to the
+    // first detail item; if it lands *after* we open the inline draft below it
+    // steals focus from the input, blur-closing it — the input then vanishes
+    // mid-test and `toBeFocused()` fails with "element(s) not found".
+    await expect
+      .poll(async () =>
+        page.evaluate(() => !!document.activeElement?.closest('task-detail-panel')),
+      )
+      .toBe(true);
+
     // The sub-task section starts collapsed; expand it to reveal the button.
     await panel
       .locator('mat-expansion-panel-header')
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 5a829c9912..92d2f42969 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -59,6 +59,7 @@ import { TaskService } from './features/tasks/task.service';
 import { MatMenuItem } from '@angular/material/menu';
 import { MatIcon } from '@angular/material/icon';
 import { NoteStartupBannerService } from './features/note/note-startup-banner.service';
+import { SyncSafetyBannerService } from './imex/sync/sync-safety-banner.service';
 import { ProjectService } from './features/project/project.service';
 import { TagService } from './features/tag/tag.service';
 import { ContextMenuComponent } from './ui/context-menu/context-menu.component';
@@ -154,6 +155,7 @@ export class AppComponent implements OnDestroy, AfterViewInit {
   private _tagService = inject(TagService);
   private _destroyRef = inject(DestroyRef);
   private _noteStartupBannerService = inject(NoteStartupBannerService);
+  private _syncSafetyBannerService = inject(SyncSafetyBannerService);
   private _ngZone = inject(NgZone);
   private _document = inject(DOCUMENT, { optional: true });
   private _startupService = inject(StartupService);
@@ -309,6 +311,7 @@ export class AppComponent implements OnDestroy, AfterViewInit {
       .pipe(take(1))
       .subscribe(() => {
         void this._noteStartupBannerService.showLastNoteIfNeeded();
+        this._syncSafetyBannerService.showReminderIfNeeded();
       });
 
     // ! For keyboard shortcuts to work correctly with any layouts (QWERTZ/AZERTY/etc) - user's keyboard layout must be presaved
diff --git a/src/app/core/banner/banner.model.ts b/src/app/core/banner/banner.model.ts
index 57371b238f..99d0ee959d 100644
--- a/src/app/core/banner/banner.model.ts
+++ b/src/app/core/banner/banner.model.ts
@@ -13,6 +13,7 @@ export enum BannerId {
   FocusModeSessionDone = 'FocusModeSessionDone',
   StartupNote = 'StartupNote',
   DeadlinesToday = 'DeadlinesToday',
+  SyncSafetyReminder = 'SyncSafetyReminder',
 }
 
 export const BANNER_SORT_PRIO_MAP = {
@@ -28,6 +29,7 @@ export const BANNER_SORT_PRIO_MAP = {
   [BannerId.StartupNote]: 2,
   [BannerId.Offline]: 0,
   [BannerId.InstallWebApp]: 0,
+  [BannerId.SyncSafetyReminder]: 0,
 } as const;
 
 export interface BannerAction {
diff --git a/src/app/core/persistence/storage-keys.const.ts b/src/app/core/persistence/storage-keys.const.ts
index 019e402109..8c17bbb8fc 100644
--- a/src/app/core/persistence/storage-keys.const.ts
+++ b/src/app/core/persistence/storage-keys.const.ts
@@ -12,6 +12,11 @@ export enum DB {
 export enum LS {
   APP_START_COUNT = 'APP_START_COUNT',
   APP_START_COUNT_LAST_START_DAY = 'APP_START_COUNT_LAST_START_DAY',
+  // Epoch ms first observed by SyncSafetyBannerService (seeded once, lazily, on
+  // its first run). Used only to tell "used for a while" by wall-clock time for
+  // the sync-setup nudge. NOT a true install date: for installs that predate
+  // this feature it is seeded at upgrade time, so don't reuse it as one.
+  SYNC_SAFETY_FIRST_SEEN = 'SUP_SYNC_SAFETY_FIRST_SEEN',
   RATE_DIALOG_STATE = 'SUP_RATE_DIALOG_STATE',
   // Set on an unhandled error or any detected data damage; read by the rating
   // prompt to hold off for a cooldown after a bad experience. Time only.
@@ -33,6 +38,10 @@ export enum LS {
 
   LAST_NOTE_BANNER_DAY = 'SUP_LAST_NOTE_BANNER_DAY',
 
+  // Set once the user acts on or dismisses the "set up sync to keep your data
+  // safe" startup banner, so the nudge is shown at most once ever.
+  SYNC_SAFETY_NUDGE_DISMISSED = 'SUP_SYNC_SAFETY_NUDGE_DISMISSED',
+
   SELECTED_TIME_VIEW = 'SELECTED_TIME_VIEW',
   SCHEDULE_WEEK_ROW_HEIGHT = 'SUP_SCHEDULE_WEEK_ROW_HEIGHT',
 
diff --git a/src/app/imex/sync/sync-safety-banner.service.spec.ts b/src/app/imex/sync/sync-safety-banner.service.spec.ts
new file mode 100644
index 0000000000..cf157036b3
--- /dev/null
+++ b/src/app/imex/sync/sync-safety-banner.service.spec.ts
@@ -0,0 +1,169 @@
+import { TestBed } from '@angular/core/testing';
+import { MatDialog } from '@angular/material/dialog';
+import { Store } from '@ngrx/store';
+import { SyncSafetyBannerService } from './sync-safety-banner.service';
+import { BannerService } from '../../core/banner/banner.service';
+import { BannerId, Banner } from '../../core/banner/banner.model';
+import { LS } from '../../core/persistence/storage-keys.const';
+import { GlobalConfigService } from '../../features/config/global-config.service';
+import { OnboardingHintService } from '../../features/onboarding/onboarding-hint.service';
+import { SyncConfig } from '../../features/config/global-config.model';
+import { SyncProviderId } from '../../op-log/sync-providers/provider.const';
+import { selectTaskFeatureState } from '../../features/tasks/store/task.selectors';
+
+const DAY_MS = 24 * 60 * 60 * 1000;
+const NOW = 1_700_000_000_000;
+const UNCONFIGURED: Partial<SyncConfig> = { isEnabled: false, syncProvider: null };
+const CONFIGURED: Partial<SyncConfig> = {
+  isEnabled: true,
+  syncProvider: SyncProviderId.Dropbox,
+};
+
+describe('SyncSafetyBannerService', () => {
+  let service: SyncSafetyBannerService;
+  let bannerService: jasmine.SpyObj<BannerService>;
+  let matDialog: jasmine.SpyObj<MatDialog>;
+  let syncSpy: jasmine.Spy;
+  let selectSignalSpy: jasmine.Spy;
+  let lsStore: Record<string, string>;
+  let taskIds: string[];
+
+  const lastBanner = (): Banner =>
+    bannerService.open.calls.mostRecent().args[0] as Banner;
+
+  const daysAgoTs = (n: number): string => {
+    const offset = n * DAY_MS;
+    return (NOW - offset).toString();
+  };
+  const manyTasks = (): string[] => Array.from({ length: 30 }, (_, i) => `t${i}`);
+
+  // Defaults to a clearly-eligible user: first used 8 days ago, 30 tasks.
+  const setEligible = (): void => {
+    lsStore[LS.SYNC_SAFETY_FIRST_SEEN] = daysAgoTs(8);
+    taskIds = manyTasks();
+  };
+
+  beforeEach(() => {
+    lsStore = {};
+    taskIds = [];
+    spyOn(Date, 'now').and.returnValue(NOW);
+    spyOn(localStorage, 'getItem').and.callFake((k) => lsStore[k] ?? null);
+    spyOn(localStorage, 'setItem').and.callFake((k, v) => {
+      lsStore[k] = v;
+    });
+    spyOn(OnboardingHintService, 'isOnboardingInProgress').and.returnValue(false);
+
+    bannerService = jasmine.createSpyObj<BannerService>('BannerService', ['open']);
+    matDialog = jasmine.createSpyObj<MatDialog>('MatDialog', ['open']);
+    syncSpy = jasmine.createSpy('sync').and.returnValue(UNCONFIGURED);
+    // Reads live `taskIds` so each test can vary the count before invoking.
+    selectSignalSpy = jasmine
+      .createSpy('selectSignal')
+      .and.callFake(() => () => ({ ids: taskIds }));
+
+    TestBed.configureTestingModule({
+      providers: [
+        SyncSafetyBannerService,
+        { provide: BannerService, useValue: bannerService },
+        { provide: MatDialog, useValue: matDialog },
+        { provide: GlobalConfigService, useValue: { sync: syncSpy } },
+        { provide: Store, useValue: { selectSignal: selectSignalSpy } },
+      ],
+    });
+    service = TestBed.inject(SyncSafetyBannerService);
+  });
+
+  it('shows the banner once used for a while with real data and no sync', () => {
+    setEligible();
+    service.showReminderIfNeeded();
+    expect(bannerService.open).toHaveBeenCalledTimes(1);
+    expect(lastBanner().id).toBe(BannerId.SyncSafetyReminder);
+    // Guards against accidentally swapping in a different task selector.
+    expect(selectSignalSpy).toHaveBeenCalledWith(selectTaskFeatureState);
+  });
+
+  it('does not show while sync config is still unhydrated (undefined)', () => {
+    setEligible();
+    syncSpy.and.returnValue(undefined);
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+    // ...but the first-use clock is still seeded for next time.
+    expect(lsStore[LS.SYNC_SAFETY_FIRST_SEEN]).toBe(daysAgoTs(8));
+  });
+
+  it('shows exactly at the thresholds (7 days, 20 tasks)', () => {
+    lsStore[LS.SYNC_SAFETY_FIRST_SEEN] = daysAgoTs(7);
+    taskIds = Array.from({ length: 20 }, (_, i) => `t${i}`);
+    service.showReminderIfNeeded();
+    expect(bannerService.open).toHaveBeenCalledTimes(1);
+  });
+
+  it('seeds the first-use timestamp on first run and does not show yet', () => {
+    taskIds = manyTasks();
+    service.showReminderIfNeeded();
+    expect(lsStore[LS.SYNC_SAFETY_FIRST_SEEN]).toBe(NOW.toString());
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('still seeds the first-use clock during onboarding (without showing)', () => {
+    (OnboardingHintService.isOnboardingInProgress as jasmine.Spy).and.returnValue(true);
+    taskIds = manyTasks();
+    service.showReminderIfNeeded();
+    expect(lsStore[LS.SYNC_SAFETY_FIRST_SEEN]).toBe(NOW.toString());
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('does not show before the time threshold even with lots of data', () => {
+    lsStore[LS.SYNC_SAFETY_FIRST_SEEN] = daysAgoTs(3);
+    taskIds = manyTasks();
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('does not show with too little data even after the time threshold', () => {
+    lsStore[LS.SYNC_SAFETY_FIRST_SEEN] = daysAgoTs(8);
+    taskIds = ['a', 'b', 'c', 'd']; // example-task-sized
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('does not show again once dismissed', () => {
+    setEligible();
+    lsStore[LS.SYNC_SAFETY_NUDGE_DISMISSED] = 'true';
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('does not interrupt onboarding', () => {
+    setEligible();
+    (OnboardingHintService.isOnboardingInProgress as jasmine.Spy).and.returnValue(true);
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('does not show when sync is already configured', () => {
+    setEligible();
+    syncSpy.and.returnValue(CONFIGURED);
+    service.showReminderIfNeeded();
+    expect(bannerService.open).not.toHaveBeenCalled();
+  });
+
+  it('persists dismissal when the user clicks "Not now"', () => {
+    setEligible();
+    service.showReminderIfNeeded();
+    lastBanner().action2!.fn();
+    expect(lsStore[LS.SYNC_SAFETY_NUDGE_DISMISSED]).toBe('true');
+  });
+
+  it('persists dismissal and opens the sync dialog on "Set up sync"', () => {
+    const openDialogSpy = spyOn(
+      service as unknown as { _openSyncCfgDialog: () => Promise<void> },
+      '_openSyncCfgDialog',
+    ).and.resolveTo();
+    setEligible();
+    service.showReminderIfNeeded();
+    lastBanner().action!.fn();
+    expect(lsStore[LS.SYNC_SAFETY_NUDGE_DISMISSED]).toBe('true');
+    expect(openDialogSpy).toHaveBeenCalledTimes(1);
+  });
+});
diff --git a/src/app/imex/sync/sync-safety-banner.service.ts b/src/app/imex/sync/sync-safety-banner.service.ts
new file mode 100644
index 0000000000..8e5844592a
--- /dev/null
+++ b/src/app/imex/sync/sync-safety-banner.service.ts
@@ -0,0 +1,108 @@
+import { inject, Injectable } from '@angular/core';
+import { MatDialog } from '@angular/material/dialog';
+import { Store } from '@ngrx/store';
+import { BannerService } from '../../core/banner/banner.service';
+import { BannerId } from '../../core/banner/banner.model';
+import { LS } from '../../core/persistence/storage-keys.const';
+import { GlobalConfigService } from '../../features/config/global-config.service';
+import { OnboardingHintService } from '../../features/onboarding/onboarding-hint.service';
+import { selectTaskFeatureState } from '../../features/tasks/store/task.selectors';
+import { devError } from '../../util/dev-error';
+import { T } from '../../t.const';
+
+const DAY_MS = 24 * 60 * 60 * 1000;
+
+// "Used for a while": wall-clock days since the app was first opened on this
+// device. Wall-clock (not app-start count) so it is robust both to users who
+// restart many times a day and to those who leave the app running for weeks.
+const MIN_DAYS_SINCE_FIRST_USE = 7;
+
+// ...and there must be a non-trivial amount of data actually worth protecting:
+// a fresh install seeds only 4 example tasks, so this keeps us from nudging an
+// empty/dormant app even after the time threshold passes.
+const MIN_TASKS = 20;
+
+/**
+ * Offline-first means a user who never configures sync has no backup at all.
+ * Once they have clearly used the app for a while AND accumulated real data,
+ * gently (and exactly once) encourage setting up sync so their data stays safe.
+ * Mirrors the calm, gated-once pattern of NoteStartupBannerService.
+ */
+@Injectable({ providedIn: 'root' })
+export class SyncSafetyBannerService {
+  private readonly _bannerService = inject(BannerService);
+  private readonly _globalConfigService = inject(GlobalConfigService);
+  private readonly _matDialog = inject(MatDialog);
+  private readonly _store = inject(Store);
+
+  private readonly _taskState = this._store.selectSignal(selectTaskFeatureState);
+
+  showReminderIfNeeded(): void {
+    // Once-ever guard: already acted on / dismissed.
+    if (localStorage.getItem(LS.SYNC_SAFETY_NUDGE_DISMISSED)) {
+      return;
+    }
+    // Start (or read) the first-use clock. Seeding here means it begins ticking
+    // the first time the app boots on this device; an install that already
+    // exists when this feature ships starts its clock now (a deliberate grace
+    // period rather than nudging every existing user at once).
+    const firstUseMs = this._getOrSeedFirstUse();
+
+    // Don't interrupt the first-run onboarding flow.
+    if (OnboardingHintService.isOnboardingInProgress()) {
+      return;
+    }
+    // Already using sync → nothing to nudge. Treat "config not loaded yet"
+    // (undefined) as a skip too, so a synced user is never nudged in a race.
+    const sync = this._globalConfigService.sync();
+    if (!sync || (sync.isEnabled && sync.syncProvider)) {
+      return;
+    }
+    // Used for a while?
+    if (Date.now() - firstUseMs < MIN_DAYS_SINCE_FIRST_USE * DAY_MS) {
+      return;
+    }
+    // Enough data to be worth protecting?
+    if ((this._taskState().ids?.length ?? 0) < MIN_TASKS) {
+      return;
+    }
+
+    this._bannerService.open({
+      id: BannerId.SyncSafetyReminder,
+      msg: T.APP.B_SYNC_SAFETY.MSG,
+      ico: 'cloud_off',
+      action: {
+        label: T.APP.B_SYNC_SAFETY.SETUP,
+        fn: () => {
+          this._dismissForever();
+          void this._openSyncCfgDialog().catch(devError);
+        },
+      },
+      action2: {
+        label: T.APP.B_SYNC_SAFETY.DISMISS,
+        fn: () => this._dismissForever(),
+      },
+      isHideDismissBtn: true,
+    });
+  }
+
+  private _getOrSeedFirstUse(): number {
+    const stored = +(localStorage.getItem(LS.SYNC_SAFETY_FIRST_SEEN) || 0);
+    if (stored) {
+      return stored;
+    }
+    const now = Date.now();
+    localStorage.setItem(LS.SYNC_SAFETY_FIRST_SEEN, now.toString());
+    return now;
+  }
+
+  private _dismissForever(): void {
+    localStorage.setItem(LS.SYNC_SAFETY_NUDGE_DISMISSED, 'true');
+  }
+
+  private async _openSyncCfgDialog(): Promise<void> {
+    const { DialogSyncCfgComponent } =
+      await import('./dialog-sync-cfg/dialog-sync-cfg.component');
+    this._matDialog.open(DialogSyncCfgComponent);
+  }
+}
diff --git a/src/app/t.const.ts b/src/app/t.const.ts
index 25b22bde2b..aac4f15cbd 100644
--- a/src/app/t.const.ts
+++ b/src/app/t.const.ts
@@ -6,6 +6,11 @@ const T = {
       MSG: 'APP.B_INSTALL.MSG',
     },
     B_OFFLINE: 'APP.B_OFFLINE',
+    B_SYNC_SAFETY: {
+      DISMISS: 'APP.B_SYNC_SAFETY.DISMISS',
+      MSG: 'APP.B_SYNC_SAFETY.MSG',
+      SETUP: 'APP.B_SYNC_SAFETY.SETUP',
+    },
     CONTEXT_MENU: {
       CHANGE_PROJECT_SETTINGS: 'APP.CONTEXT_MENU.CHANGE_PROJECT_SETTINGS',
       CHANGE_TAG_SETTINGS: 'APP.CONTEXT_MENU.CHANGE_TAG_SETTINGS',
diff --git a/src/assets/i18n/ar.json b/src/assets/i18n/ar.json
index 41bd6fb3a0..519309123a 100644
--- a/src/assets/i18n/ar.json
+++ b/src/assets/i18n/ar.json
@@ -6,6 +6,11 @@
       "MSG": "هل تريد تثبيت الإنتاجية الفائقة كتطبيق ويب؟"
     },
     "B_OFFLINE": "أنت غير متصل بالإنترنت. لن تعمل مزامنة بيانات موفر المشكلة وطلبها.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "ليس الآن",
+      "MSG": "أنت تستخدم Super Productivity منذ فترة. قم بإعداد المزامنة لعمل نسخة احتياطية من بياناتك والحفاظ عليها آمنة عبر جميع أجهزتك.",
+      "SETUP": "إعداد المزامنة"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "تغيير الخلفية",
       "CHANGE_PROJECT_SETTINGS": "تغيير إعدادات المشروع",
diff --git a/src/assets/i18n/cs.json b/src/assets/i18n/cs.json
index e006aa5fdb..dc4f7aa9f7 100644
--- a/src/assets/i18n/cs.json
+++ b/src/assets/i18n/cs.json
@@ -6,6 +6,11 @@
       "MSG": "Chcete nainstalovat Super Produktivitu jako PWA?"
     },
     "B_OFFLINE": "Jste odpojeni od internetu. Synchronizace a požadavky na data poskytovatele problémů nebudou fungovat.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Teď ne",
+      "MSG": "Super Productivity používáte už nějakou dobu. Nastavte synchronizaci, abyste zálohovali svá data a udrželi je v bezpečí na všech zařízeních.",
+      "SETUP": "Nastavit synchronizaci"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Změnit pozadí"
     },
diff --git a/src/assets/i18n/de.json b/src/assets/i18n/de.json
index b886b26595..da291f0023 100644
--- a/src/assets/i18n/de.json
+++ b/src/assets/i18n/de.json
@@ -6,6 +6,11 @@
       "MSG": "Möchtest du Super Productivity als PWA installieren?"
     },
     "B_OFFLINE": "Du bist vom Internet getrennt. Das Synchronisieren und Anfordern von Daten des Issue-Providers funktioniert nicht.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Jetzt nicht",
+      "MSG": "Du nutzt Super Productivity schon eine Weile. Richte die Synchronisierung ein, um deine Daten zu sichern und geräteübergreifend zu schützen.",
+      "SETUP": "Synchronisierung einrichten"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Projekteinstellungen ändern",
       "CHANGE_TAG_SETTINGS": "Tag-Einstellungen ändern"
diff --git a/src/assets/i18n/en.json b/src/assets/i18n/en.json
index 0e43d10151..218c24164d 100644
--- a/src/assets/i18n/en.json
+++ b/src/assets/i18n/en.json
@@ -6,6 +6,11 @@
       "MSG": "Do you want to install Super Productivity as a PWA (Progressive Web App)?"
     },
     "B_OFFLINE": "You are disconnected from the internet. Syncing and requesting issue provider data will not work.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Not now",
+      "MSG": "You've been using Super Productivity for a while. Set up sync to back up your data and keep it safe across devices.",
+      "SETUP": "Set up sync"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Change Project Settings",
       "CHANGE_TAG_SETTINGS": "Change Tag Settings"
diff --git a/src/assets/i18n/es.json b/src/assets/i18n/es.json
index 41f631cf02..f761717bb0 100644
--- a/src/assets/i18n/es.json
+++ b/src/assets/i18n/es.json
@@ -6,6 +6,11 @@
       "MSG": "¿Quieres instalar Super Productivity como una PWA?"
     },
     "B_OFFLINE": "Estás desconectado de internet. La sincronización y la solicitud de datos al proveedor de incidencias no funcionarán.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Ahora no",
+      "MSG": "Llevas un tiempo usando Super Productivity. Configura la sincronización para hacer una copia de seguridad de tus datos y mantenerlos seguros en todos tus dispositivos.",
+      "SETUP": "Configurar sincronización"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Cambiar fondo",
       "CHANGE_PROJECT_SETTINGS": "Cambiar configuración del proyecto",
diff --git a/src/assets/i18n/fa.json b/src/assets/i18n/fa.json
index 378e7803c5..9b097efeef 100644
--- a/src/assets/i18n/fa.json
+++ b/src/assets/i18n/fa.json
@@ -6,6 +6,11 @@
       "MSG": "آیا میخواهید سوپر پروداکتیویتی به عنوان PWA نصب بشود؟"
     },
     "B_OFFLINE": "شما از اینترنت جدا هستید. همگام سازی و درخواست داده های ارائه دهنده مشکل کار نمی کند.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "اکنون نه",
+      "MSG": "مدتی است که از Super Productivity استفاده می‌کنید. همگام‌سازی را تنظیم کنید تا از داده‌های خود نسخه پشتیبان تهیه کرده و آن‌ها را در همه دستگاه‌ها ایمن نگه دارید.",
+      "SETUP": "تنظیم همگام‌سازی"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "تغییر پیش زمینه"
     },
diff --git a/src/assets/i18n/fi.json b/src/assets/i18n/fi.json
index aa925a1f7e..d77d8f6f01 100644
--- a/src/assets/i18n/fi.json
+++ b/src/assets/i18n/fi.json
@@ -6,6 +6,11 @@
       "MSG": "Haluatko asentaa Super Productivityn PWA-sovellukseksi?"
     },
     "B_OFFLINE": "Olet irti internetistä. Synkronointi ja tiedustelut ongelmanantajien tiedoista eivät toimi.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Ei nyt",
+      "MSG": "Olet käyttänyt Super Productivitya jo jonkin aikaa. Määritä synkronointi varmuuskopioidaksesi tietosi ja pitääksesi ne turvassa kaikilla laitteilla.",
+      "SETUP": "Määritä synkronointi"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Vaihda taustakuva"
     },
diff --git a/src/assets/i18n/fr.json b/src/assets/i18n/fr.json
index baf77891b9..062bf7180c 100644
--- a/src/assets/i18n/fr.json
+++ b/src/assets/i18n/fr.json
@@ -6,6 +6,11 @@
       "MSG": "Voulez-vous installer Super Productivity en tant que PWA ?"
     },
     "B_OFFLINE": "Vous êtes déconnecté d'Internet. La synchronisation et la demande des données du fournisseur de problèmes ne fonctionneront pas.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Pas maintenant",
+      "MSG": "Vous utilisez Super Productivity depuis un certain temps. Configurez la synchronisation pour sauvegarder vos données et les garder en sécurité sur tous vos appareils.",
+      "SETUP": "Configurer la synchronisation"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Changer le fond",
       "CHANGE_PROJECT_SETTINGS": "Modifier les paramètres du projet",
diff --git a/src/assets/i18n/hr.json b/src/assets/i18n/hr.json
index 9beb683f2f..4c9165f0a3 100644
--- a/src/assets/i18n/hr.json
+++ b/src/assets/i18n/hr.json
@@ -6,6 +6,11 @@
       "MSG": "Želiš instalirati Super Productivity kao PWA (Progressive Web App)?"
     },
     "B_OFFLINE": "Nemaš vezu s internetom. Sinkronizacija i dohvaćanje podataka od usluge za praćenje problema neće raditi.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Ne sada",
+      "MSG": "Već neko vrijeme koristiš Super Productivity. Postavi sinkronizaciju kako bi sigurnosno kopirao svoje podatke i čuvao ih sigurnima na svim uređajima.",
+      "SETUP": "Postavi sinkronizaciju"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Promijeni postavke projekta",
       "CHANGE_TAG_SETTINGS": "Promijeni postavke oznaka"
diff --git a/src/assets/i18n/id.json b/src/assets/i18n/id.json
index 744e8f548e..e58185be80 100644
--- a/src/assets/i18n/id.json
+++ b/src/assets/i18n/id.json
@@ -6,6 +6,11 @@
       "MSG": "Apa kamu ingin memasang Super Productivity sebagai sebuah PWA?"
     },
     "B_OFFLINE": "Jaringanmu terputus dari internet. Sinkronasi dan meminta masalah penyedia data mungkin tidak akan bekerja.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Nanti saja",
+      "MSG": "Kamu sudah menggunakan Super Productivity beberapa waktu. Siapkan sinkronisasi untuk mencadangkan datamu dan menjaganya tetap aman di semua perangkat.",
+      "SETUP": "Siapkan sinkronisasi"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Ubah Latar Belakang",
       "CHANGE_PROJECT_SETTINGS": "Ubah pengaturan proyek",
diff --git a/src/assets/i18n/it.json b/src/assets/i18n/it.json
index 3f4eb11999..c6d8abffd0 100644
--- a/src/assets/i18n/it.json
+++ b/src/assets/i18n/it.json
@@ -6,6 +6,11 @@
       "MSG": "Vuoi installare Super Productivity come PWA?"
     },
     "B_OFFLINE": "Sei disconnesso da Internet. La sincronizzazione e la richiesta dei dati del provider di problemi non funzioneranno.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Non ora",
+      "MSG": "Usi Super Productivity da un po'. Configura la sincronizzazione per eseguire il backup dei tuoi dati e tenerli al sicuro su tutti i dispositivi.",
+      "SETUP": "Configura sincronizzazione"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Cambia sfondo",
       "CHANGE_PROJECT_SETTINGS": "Modifica impostazioni progetto",
diff --git a/src/assets/i18n/ja.json b/src/assets/i18n/ja.json
index 83519a8696..c8eec8c234 100644
--- a/src/assets/i18n/ja.json
+++ b/src/assets/i18n/ja.json
@@ -6,6 +6,11 @@
       "MSG": "Super ProductivityをPWAとしてインストールしますか？"
     },
     "B_OFFLINE": "インターネットに接続していません。課題プロバイダーデータの同期と要求は機能しません。",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "後で",
+      "MSG": "Super Productivity をしばらくご利用いただいています。同期を設定して、データをバックアップし、すべてのデバイスで安全に保ちましょう。",
+      "SETUP": "同期を設定"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "変更の背景",
       "CHANGE_PROJECT_SETTINGS": "プロジェクト設定を変更",
diff --git a/src/assets/i18n/ko.json b/src/assets/i18n/ko.json
index 52b83cc5b2..2b0490a1fa 100644
--- a/src/assets/i18n/ko.json
+++ b/src/assets/i18n/ko.json
@@ -6,6 +6,11 @@
       "MSG": "PWA로 Super Productivity를 설치하시겠습니까?"
     },
     "B_OFFLINE": "인터넷 연결이 끊어졌습니다. 문제 제공자 데이터 동기화 및 요청이 작동하지 않습니다.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "나중에",
+      "MSG": "Super Productivity를 사용하신 지 꽤 되셨네요. 동기화를 설정하여 데이터를 백업하고 모든 기기에서 안전하게 보관하세요.",
+      "SETUP": "동기화 설정"
+    },
     "UPDATE_WEB_APP": "새 버전을 사용할 수 있습니다. 새 버전을 로드하시겠습니까?",
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "배경 변경",
diff --git a/src/assets/i18n/nb.json b/src/assets/i18n/nb.json
index 4162fce3a0..5bb23316bc 100644
--- a/src/assets/i18n/nb.json
+++ b/src/assets/i18n/nb.json
@@ -6,6 +6,11 @@
       "MSG": "Vil du installere Super Productivity som en PWA?"
     },
     "B_OFFLINE": "Du er koblet fra internett. Synkronisering og å be om data fra leverandører fungerer ikke.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Ikke nå",
+      "MSG": "Du har brukt Super Productivity en stund. Sett opp synkronisering for å sikkerhetskopiere dataene dine og holde dem trygge på tvers av enheter.",
+      "SETUP": "Sett opp synkronisering"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Endre bakgrunn"
     },
diff --git a/src/assets/i18n/nl.json b/src/assets/i18n/nl.json
index ec76924b63..6301ce6ab9 100644
--- a/src/assets/i18n/nl.json
+++ b/src/assets/i18n/nl.json
@@ -6,6 +6,11 @@
       "MSG": "Wilt u Super Productivity als PWA installeren?"
     },
     "B_OFFLINE": "Je hebt geen verbinding met internet. Het synchroniseren en opvragen van probleemprovidergegevens werkt niet.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Niet nu",
+      "MSG": "Je gebruikt Super Productivity al een tijdje. Stel synchronisatie in om een back-up van je gegevens te maken en ze veilig te houden op al je apparaten.",
+      "SETUP": "Synchronisatie instellen"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Achtergrond wijzigen",
       "CHANGE_PROJECT_SETTINGS": "Projectinstellingen wijzigen",
diff --git a/src/assets/i18n/pl.json b/src/assets/i18n/pl.json
index ff691502c4..438ed05162 100644
--- a/src/assets/i18n/pl.json
+++ b/src/assets/i18n/pl.json
@@ -6,6 +6,11 @@
       "MSG": "Czy chcesz zinstalować Super Productivity jako aplikację PWA?"
     },
     "B_OFFLINE": "Zostałeś odłączony od internetu. Synchronizacja nie będzie działać.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Nie teraz",
+      "MSG": "Używasz Super Productivity już od jakiegoś czasu. Skonfiguruj synchronizację, aby utworzyć kopię zapasową danych i zapewnić im bezpieczeństwo na wszystkich urządzeniach.",
+      "SETUP": "Skonfiguruj synchronizację"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Zmień ustawienia Projektu",
       "CHANGE_TAG_SETTINGS": "Zmień ustawienia Tagów"
diff --git a/src/assets/i18n/pt-br.json b/src/assets/i18n/pt-br.json
index d120bb4490..b916b385f2 100644
--- a/src/assets/i18n/pt-br.json
+++ b/src/assets/i18n/pt-br.json
@@ -6,6 +6,11 @@
       "MSG": "Deseja instalar o Super Productivity como um PWA (Progressive Web App)?"
     },
     "B_OFFLINE": "Você está desconectado da internet. A sincronização e a solicitação de dados de provedores de issues não funcionarão.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Agora não",
+      "MSG": "Você usa o Super Productivity há algum tempo. Configure a sincronização para fazer backup dos seus dados e mantê-los seguros em todos os dispositivos.",
+      "SETUP": "Configurar sincronização"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Alterar Configurações do Projeto",
       "CHANGE_TAG_SETTINGS": "Alterar Configurações da Etiqueta"
diff --git a/src/assets/i18n/pt.json b/src/assets/i18n/pt.json
index 9c6e657e3f..5bd81742eb 100644
--- a/src/assets/i18n/pt.json
+++ b/src/assets/i18n/pt.json
@@ -6,6 +6,11 @@
       "MSG": "Deseja instalar Super Productivity como PWA?"
     },
     "B_OFFLINE": "Você está desconectado da internet. A sincronização e solicitação de dados do provedor de problemas não funcionará.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Agora não",
+      "MSG": "Já usa o Super Productivity há algum tempo. Configure a sincronização para fazer uma cópia de segurança dos seus dados e mantê-los seguros em todos os dispositivos.",
+      "SETUP": "Configurar sincronização"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Mudar Fundo",
       "CHANGE_PROJECT_SETTINGS": "Alterar definições do projeto",
diff --git a/src/assets/i18n/ro-md.json b/src/assets/i18n/ro-md.json
index d56eb93412..39955baf10 100644
--- a/src/assets/i18n/ro-md.json
+++ b/src/assets/i18n/ro-md.json
@@ -6,6 +6,11 @@
       "MSG": "Vrei să instalezi Super Productivity ca PWA (Progressive Web App)?"
     },
     "B_OFFLINE": "Ești deconectat de la internet. Sincronizarea și solicitarea datelor furnizorului de probleme nu vor funcționa.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Nu acum",
+      "MSG": "Folosești Super Productivity de ceva timp. Configurează sincronizarea pentru a face o copie de rezervă a datelor tale și a le păstra în siguranță pe toate dispozitivele.",
+      "SETUP": "Configurează sincronizarea"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Schimbă setările proiectului",
       "CHANGE_TAG_SETTINGS": "Schimbă setările etichetelor"
diff --git a/src/assets/i18n/ro.json b/src/assets/i18n/ro.json
index c509f3e592..b40bb298f5 100644
--- a/src/assets/i18n/ro.json
+++ b/src/assets/i18n/ro.json
@@ -6,6 +6,11 @@
       "MSG": "Vrei să instalezi Super Productivity ca PWA (Progressive Web App)?"
     },
     "B_OFFLINE": "Ești deconectat de la internet. Sincronizarea și solicitarea datelor furnizorului de probleme nu vor funcționa.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Nu acum",
+      "MSG": "Folosești Super Productivity de ceva timp. Configurează sincronizarea pentru a face o copie de rezervă a datelor tale și a le păstra în siguranță pe toate dispozitivele.",
+      "SETUP": "Configurează sincronizarea"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Schimbă setările proiectului",
       "CHANGE_TAG_SETTINGS": "Schimbă setările etichetelor"
diff --git a/src/assets/i18n/ru.json b/src/assets/i18n/ru.json
index 36f31fa555..0a80378a09 100644
--- a/src/assets/i18n/ru.json
+++ b/src/assets/i18n/ru.json
@@ -6,6 +6,11 @@
       "MSG": "Хотите установить Super Productivity в качестве PWA?"
     },
     "B_OFFLINE": "Вы отключены от интернета. Синхронизация и запрос данных поставщика проблемы не будут работать.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Не сейчас",
+      "MSG": "Вы пользуетесь Super Productivity уже некоторое время. Настройте синхронизацию, чтобы создать резервную копию данных и сохранить их в безопасности на всех устройствах.",
+      "SETUP": "Настроить синхронизацию"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Изменить фон",
       "CHANGE_PROJECT_SETTINGS": "Изменить настройки проекта",
diff --git a/src/assets/i18n/sk.json b/src/assets/i18n/sk.json
index f36ccb625b..3c65db1896 100644
--- a/src/assets/i18n/sk.json
+++ b/src/assets/i18n/sk.json
@@ -6,6 +6,11 @@
       "MSG": "Chcete nainštalovať aplikáciu Super Productivity ako PWA?"
     },
     "B_OFFLINE": "Boli ste odpojení od internetu. Synchronizácia a vyžiadanie údajov nebudú fungovať.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Teraz nie",
+      "MSG": "Super Productivity používate už nejaký čas. Nastavte synchronizáciu, aby ste zálohovali svoje údaje a udržali ich v bezpečí na všetkých zariadeniach.",
+      "SETUP": "Nastaviť synchronizáciu"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Zmeniť pozadie"
     },
diff --git a/src/assets/i18n/sv.json b/src/assets/i18n/sv.json
index 90f0f8f956..92770f4097 100644
--- a/src/assets/i18n/sv.json
+++ b/src/assets/i18n/sv.json
@@ -6,6 +6,11 @@
       "MSG": "Vill du installera Super Productivity som en PWA?"
     },
     "B_OFFLINE": "Du är bortkopplad från internet. Synkronisering och begäran om data från ärendeleverantören fungerar inte.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Inte nu",
+      "MSG": "Du har använt Super Productivity ett tag. Konfigurera synkronisering för att säkerhetskopiera dina data och hålla dem säkra på alla enheter.",
+      "SETUP": "Konfigurera synkronisering"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "Ändra bakgrund"
     },
diff --git a/src/assets/i18n/tr.json b/src/assets/i18n/tr.json
index bc33922132..09335916c8 100644
--- a/src/assets/i18n/tr.json
+++ b/src/assets/i18n/tr.json
@@ -6,6 +6,11 @@
       "MSG": "Süper Verimliliği PWA olarak kurmak ister misiniz?"
     },
     "B_OFFLINE": "İnternet bağlantınız kesildi. Verileri senkronize etmek ve sağlayıcıdan sorunları istemek işe yaramaz.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Şimdi değil",
+      "MSG": "Super Productivity'yi bir süredir kullanıyorsunuz. Verilerinizi yedeklemek ve tüm cihazlarınızda güvende tutmak için senkronizasyonu ayarlayın.",
+      "SETUP": "Senkronizasyonu ayarla"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Proje Ayarlarını Değiştir",
       "CHANGE_TAG_SETTINGS": "Etiket Ayarlarını Değiştir"
diff --git a/src/assets/i18n/uk.json b/src/assets/i18n/uk.json
index f397a0500a..38fd3ef99b 100644
--- a/src/assets/i18n/uk.json
+++ b/src/assets/i18n/uk.json
@@ -6,6 +6,11 @@
       "MSG": "Бажаєте встановити Super Productivity як PWA?"
     },
     "B_OFFLINE": "Ви не підключені до інтернету. Синхронізація та запит даних з провайдера завдань не працюватимуть.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Не зараз",
+      "MSG": "Ви користуєтеся Super Productivity вже певний час. Налаштуйте синхронізацію, щоб створити резервну копію даних і зберегти їх у безпеці на всіх пристроях.",
+      "SETUP": "Налаштувати синхронізацію"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Змінити налаштування проекту",
       "CHANGE_TAG_SETTINGS": "Змінити налаштування тегів"
diff --git a/src/assets/i18n/vi.json b/src/assets/i18n/vi.json
index e5b0a61ea0..b10803d5f4 100644
--- a/src/assets/i18n/vi.json
+++ b/src/assets/i18n/vi.json
@@ -6,6 +6,11 @@
       "MSG": "Bạn có muốn cài đặt Super Productivity dưới dạng PWA (Ứng dụng web tiến bộ) không?"
     },
     "B_OFFLINE": "Bạn đang ngoại tuyến. Đồng bộ và yêu cầu dữ liệu từ nhà cung cấp sự cố sẽ không hoạt động.",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "Để sau",
+      "MSG": "Bạn đã sử dụng Super Productivity một thời gian. Hãy thiết lập đồng bộ hóa để sao lưu dữ liệu của bạn và giữ an toàn trên mọi thiết bị.",
+      "SETUP": "Thiết lập đồng bộ hóa"
+    },
     "CONTEXT_MENU": {
       "CHANGE_PROJECT_SETTINGS": "Thay đổi cài đặt dự án",
       "CHANGE_TAG_SETTINGS": "Thay đổi cài đặt nhãn"
diff --git a/src/assets/i18n/zh-tw.json b/src/assets/i18n/zh-tw.json
index cc7eabcbeb..4ebc1b1fea 100644
--- a/src/assets/i18n/zh-tw.json
+++ b/src/assets/i18n/zh-tw.json
@@ -6,6 +6,11 @@
       "MSG": "您想將 Super Productivity 安裝為 PWA 嗎？"
     },
     "B_OFFLINE": "您已斷開與網際網路的連接。同步和資料請求將失效。",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "暫不",
+      "MSG": "您已經使用 Super Productivity 一段時間了。設定同步以備份您的資料，並在所有裝置上保持安全。",
+      "SETUP": "設定同步"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "更改背景",
       "CHANGE_PROJECT_SETTINGS": "變更專案設定",
diff --git a/src/assets/i18n/zh.json b/src/assets/i18n/zh.json
index 20360b0d37..8aade13836 100644
--- a/src/assets/i18n/zh.json
+++ b/src/assets/i18n/zh.json
@@ -6,6 +6,11 @@
       "MSG": "您想要将超级生产力安装为 PWA 吗？"
     },
     "B_OFFLINE": "您已断开互联网连接。同步和请求问题提供者数据将无法工作。",
+    "B_SYNC_SAFETY": {
+      "DISMISS": "暂不",
+      "MSG": "您已经使用 Super Productivity 一段时间了。设置同步以备份您的数据，并在所有设备上保持安全。",
+      "SETUP": "设置同步"
+    },
     "CONTEXT_MENU": {
       "CHANGE_BACKGROUND": "更改背景",
       "CHANGE_PROJECT_SETTINGS": "更改项目设置",