diff --git a/components/email/__tests__/download-all-attachments.test.tsx b/components/email/__tests__/download-all-attachments.test.tsx
new file mode 100644
index 000000000..df88e19fc
--- /dev/null
+++ b/components/email/__tests__/download-all-attachments.test.tsx
@@ -0,0 +1,313 @@
+import { act, cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { NextIntlClientProvider } from 'next-intl';
+import JSZip from 'jszip';
+import type { Email, Mailbox } from '@/lib/jmap/types';
+import { JMAPClient } from '@/lib/jmap/client';
+import { useAuthStore } from '@/stores/auth-store';
+import { resolveEmailBlobContext, useEmailStore } from '@/stores/email-store';
+import { useSettingsStore } from '@/stores/settings-store';
+import { useToastStore } from '@/stores/toast-store';
+import { ToastContainer } from '@/components/ui/toast';
+import en from '@/locales/en/common.json';
+
+// Keep the actual viewer handler, translations, JMAP routing/auth/retries and
+// JSZip. Stub unrelated viewer hosts, as in the other viewer component tests.
+vi.unmock('next-intl');
+vi.mock('@/hooks/use-media-query', () => ({
+  useDeviceDetection: () => ({ isMobile: false, isTablet: false, isDesktop: true }),
+  useMediaQuery: () => false,
+  useIsDesktop: () => true,
+}));
+vi.mock('@/components/tour/tour-provider', () => ({
+  useTour: () => ({ activeTour: null, registerStep: vi.fn() }),
+}));
+vi.mock('@/components/plugins/plugin-slot', () => ({ PluginSlot: () => null }));
+vi.mock('@/hooks/use-plugin-slot-offers', () => ({ usePluginSlotOffers: () => [] }));
+vi.mock('@/hooks/use-config', () => ({ useConfig: () => ({ appName: 'Mail' }) }));
+vi.mock('@/hooks/use-wopi-status', () => ({ useWopiStatus: () => null, canWopiOpen: () => false }));
+vi.mock('@/components/email/external-sender-chip', () => ({ ExternalSenderChip: () => null }));
+
+const { EmailViewer } = await import('../email-viewer');
+const initialAuth = useAuthStore.getState();
+const initialEmail = useEmailStore.getState();
+const initialSettings = useSettingsStore.getState();
+const clients: JMAPClient[] = [];
+const alpha = new TextEncoder().encode('synthetic alpha\nΚαλημέρα\n');
+const beta = new Uint8Array([0, 1, 127, 128, 255, 10]);
+const attachments = [
+  { partId: '2', blobId: 'blob-a', name: 'report.txt', type: 'application/octet-stream', size: alpha.length },
+  { partId: '3', blobId: 'blob-b', name: 'data.bin', type: 'application/octet-stream', size: beta.length },
+];
+const primaryMailbox = { id: 'inbox', name: 'Inbox', role: 'inbox' } as Mailbox;
+const sharedMailbox = { id: 'nrichmond:inbox', originalId: 'inbox', name: 'Shared', isShared: true, accountId: 'nrichmond' } as Mailbox;
+const routes = ['primary', 'shared', 'secondary-stamped', 'secondary-folder'] as const;
+type Route = typeof routes[number];
+
+function DownloadToasts() {
+  const toasts = useToastStore(s => s.toasts);
+  return <ToastContainer toasts={toasts} onClose={useToastStore.getState().removeToast} />;
+}
+
+function bytesResponse(bytes: Uint8Array) {
+  const buffer = new Uint8Array(bytes).buffer;
+  const response = new Response(buffer, { headers: { 'Content-Type': 'application/octet-stream' } });
+  // Node's Response returns a Node Blob. JSZip uses the DOM FileReader, so
+  // return the identical bytes as a jsdom Blob, as in the drag routing tests.
+  response.blob = async () => new Blob([buffer], { type: 'application/octet-stream' });
+  return response;
+}
+
+function readBlob(blob: Blob): Promise<ArrayBuffer> {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = () => resolve(reader.result as ArrayBuffer);
+    reader.onerror = () => reject(reader.error);
+    reader.readAsArrayBuffer(blob);
+  });
+}
+
+async function connect(secondary: boolean) {
+  const server = `https://${secondary ? 'secondary' : 'primary'}.example.test`;
+  const accountId = secondary ? 'other-primary' : 'postal12345';
+  vi.mocked(fetch).mockResolvedValueOnce(new Response(JSON.stringify({
+    capabilities: { 'urn:ietf:params:jmap:core': {} },
+    accounts: {
+      [accountId]: { name: 'Own', isPersonal: true, accountCapabilities: {} },
+      nrichmond: { name: 'Shared', isPersonal: false, accountCapabilities: {} },
+    },
+    primaryAccounts: { 'urn:ietf:params:jmap:mail': accountId },
+    apiUrl: `${server}/api`,
+    downloadUrl: `${server}/${secondary ? 'objects' : 'download'}/{accountId}/{blobId}/{name}?accept={type}`,
+    uploadUrl: `${server}/upload/{accountId}`, eventSourceUrl: '',
+  }), { status: 200 }));
+  const client = secondary
+    ? JMAPClient.withBearer(server, 'synthetic-secondary-token', 'secondary-login')
+    : new JMAPClient(server, 'primary-login', 'synthetic-password');
+  clients.push(client);
+  await client.connect();
+  return client;
+}
+
+beforeEach(() => {
+  vi.stubGlobal('fetch', vi.fn().mockRejectedValue(new Error('Unexpected network request')));
+  vi.stubGlobal('ResizeObserver', class { observe() {} unobserve() {} disconnect() {} });
+  URL.createObjectURL = vi.fn(() => 'blob:download-all');
+  URL.revokeObjectURL = vi.fn();
+  useToastStore.getState().clearToasts();
+  useSettingsStore.setState({ markAsReadDelay: -1, attachmentImagePreviewsEnabled: false, mailAttachmentAction: 'download' });
+});
+
+afterEach(() => {
+  cleanup();
+  clients.splice(0).forEach(client => client.disconnect());
+  useAuthStore.setState(initialAuth);
+  useEmailStore.setState(initialEmail);
+  useSettingsStore.setState(initialSettings);
+  useToastStore.getState().clearToasts();
+  vi.restoreAllMocks();
+  vi.unstubAllGlobals();
+});
+
+async function openViewer(route: Route = 'secondary-stamped', parts = attachments) {
+  const a = await connect(false);
+  const b = await connect(true);
+  useAuthStore.setState({ client: a, activeAccountId: 'login-primary', identities: [],
+    getClientForAccount: id => id === 'login-primary' ? a : id === 'login-other' ? b : undefined,
+    getAllConnectedClients: () => new Map([['login-primary', a], ['login-other', b]]),
+  });
+  const email: Email = {
+    id: 'email', threadId: 'thread', blobId: 'raw-blob', subject: 'Download test',
+    mailboxIds: {}, keywords: { $seen: true }, size: 100, hasAttachment: true,
+    receivedAt: '2026-01-01T00:00:00Z', from: [{ email: 'sender@example.test' }], to: [],
+    preview: 'Body', textBody: [{ partId: '1', blobId: 'body-blob', type: 'text/plain', size: 4 }], htmlBody: [],
+    bodyValues: { '1': { value: 'Body', isEncodingProblem: false, isTruncated: false } },
+    attachments: parts,
+    ...(route === 'secondary-stamped' ? { sourceClientAccountId: 'login-other', sourceAccountId: 'nrichmond' } : {}),
+  };
+  const selectedMailbox = route === 'primary' ? 'inbox' : sharedMailbox.id;
+  useEmailStore.setState({ selectedEmail: email, selectedMailbox, isUnifiedView: false,
+    viewingAccountId: route === 'secondary-folder' ? 'login-other' : null,
+    mailboxes: [primaryMailbox, sharedMailbox], accountMailboxes: { 'login-other': [primaryMailbox, sharedMailbox] },
+    searchQuery: '', searchMailboxId: '',
+  });
+  const fetchMock = vi.mocked(fetch);
+  fetchMock.mockReset();
+  fetchMock.mockRejectedValue(new Error('Unexpected network request'));
+  const downloadA = vi.spyOn(a, 'downloadBlob');
+  const downloadB = vi.spyOn(b, 'downloadBlob');
+  const downloads: { href: string; name: string; connected: boolean; notifications: number }[] = [];
+  vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(function(this: HTMLAnchorElement) {
+    downloads.push({ href: this.href, name: this.download, connected: document.body.contains(this),
+      notifications: useToastStore.getState().toasts.length });
+  });
+  render(<NextIntlClientProvider locale="en" messages={en} timeZone="UTC">
+    <EmailViewer email={email} blobSource={resolveEmailBlobContext(email, a)}
+      mailboxes={[primaryMailbox, sharedMailbox]} selectedMailbox={selectedMailbox} />
+    <DownloadToasts />
+  </NextIntlClientProvider>);
+  const button = screen.getAllByTitle('Download all')[0];
+  const secondary = route.startsWith('secondary');
+  const owner = route === 'primary' ? 'postal12345' : 'nrichmond';
+  function assertRequests(blobs: string[]) {
+    expect(fetchMock.mock.calls.map(([url]) => String(url))).toEqual(blobs.map(id => {
+      const name = parts.find(part => part.blobId === id)!.name;
+      return `https://${secondary ? 'secondary' : 'primary'}.example.test/${secondary ? 'objects' : 'download'}/${owner}/${id}/${name}?accept=application%2Foctet-stream`;
+    }));
+    blobs.forEach((_id, i) => {
+      expect(fetchMock.mock.calls[i][1]?.headers).toEqual(expect.objectContaining({
+        Authorization: secondary ? 'Bearer synthetic-secondary-token' : `Basic ${btoa('primary-login:synthetic-password')}`,
+      }));
+    });
+    expect(downloadA).not.toHaveBeenCalled();
+    expect(downloadB).not.toHaveBeenCalled();
+    expect(useEmailStore.getState().selectedEmail).toBe(email);
+  }
+  function click() {
+    fireEvent.click(button);
+    expect(button).toBeDisabled();
+    expect(button.querySelector('.animate-spin')).not.toBeNull();
+  }
+  async function finish() {
+    await waitFor(() => expect(button).toBeEnabled(), { timeout: 5000 });
+    for (const control of screen.getAllByTitle('Download all')) expect(control).toBeEnabled();
+    expect(button.querySelector('.animate-spin')).toBeNull();
+  }
+  async function assertZip(names: string[], contents: Uint8Array[]) {
+    // Browser-download initiation only; this does not verify native file creation.
+    expect(downloads).toEqual([{ href: 'blob:download-all', name: 'attachments_Download test.zip', connected: true, notifications: 0 }]);
+    expect(URL.createObjectURL).toHaveBeenCalledTimes(1);
+    const blob = vi.mocked(URL.createObjectURL).mock.calls[0][0] as Blob;
+    expect(blob.type).toBe('application/zip');
+    const zip = await JSZip.loadAsync(await readBlob(blob), { checkCRC32: true });
+    expect(Object.keys(zip.files)).toEqual(names);
+    for (let i = 0; i < names.length; i++) {
+      expect(Array.from(await zip.file(names[i])!.async('uint8array'))).toEqual(Array.from(contents[i]));
+    }
+  }
+  function success() {
+    fetchMock.mockImplementation(async url => bytesResponse(String(url).includes('/blob-a/') ? alpha : beta));
+  }
+  function noDownload() {
+    expect(downloads).toEqual([]);
+    expect(URL.createObjectURL).not.toHaveBeenCalled();
+  }
+  async function feedback(type: 'warning' | 'error', title: string) {
+    await waitFor(() => expect(useToastStore.getState().toasts).toEqual([expect.objectContaining({ type, title })]));
+    expect(screen.getByText(title)).toBeVisible();
+  }
+  async function recover(previousRequests: string[]) {
+    act(() => useToastStore.getState().clearToasts());
+    success(); click();
+    await waitFor(() => expect(downloads).toHaveLength(1));
+    await finish();
+    assertRequests([...previousRequests, 'blob-a', 'blob-b']);
+    expect(useToastStore.getState().toasts).toEqual([]);
+    await assertZip(['report.txt', 'data.bin'], [alpha, beta]);
+  }
+  return { fetchMock, downloads, button, click, finish, assertRequests, assertZip, success, noDownload, feedback, recover };
+}
+
+describe('Download all attachments', () => {
+  it.each(routes)('downloads exact filenames and bytes through %s routing without feedback', async route => {
+    const p = await openViewer(route);
+    p.success(); p.click();
+    await waitFor(() => expect(p.downloads).toHaveLength(1));
+    await p.finish();
+    p.assertRequests(['blob-a', 'blob-b']);
+    expect(useToastStore.getState().toasts).toEqual([]);
+    await p.assertZip(['report.txt', 'data.bin'], [alpha, beta]);
+  });
+
+  it('preserves distinct bytes when attachment names collide', async () => {
+    const p = await openViewer('shared', attachments.map(part => ({ ...part, name: 'report.txt' })));
+    p.success(); p.click();
+    await waitFor(() => expect(p.downloads).toHaveLength(1));
+    await p.finish();
+    p.assertRequests(['blob-a', 'blob-b']);
+    expect(useToastStore.getState().toasts).toEqual([]);
+    await p.assertZip(['report.txt', 'report (1).txt'], [alpha, beta]);
+  });
+
+  it.each([1, 2])('discloses %i omitted attachments once, after initiating the partial ZIP download', async omitted => {
+    const parts = omitted === 1 ? attachments : [...attachments, { ...attachments[1], partId: '4', blobId: 'blob-c', name: 'notes.bin' }];
+    const p = await openViewer('secondary-stamped', parts);
+    p.fetchMock.mockResolvedValueOnce(bytesResponse(alpha)).mockResolvedValueOnce(new Response('refused', { status: 403 }));
+    if (omitted === 2) p.fetchMock.mockResolvedValueOnce(new Response('unavailable', { status: 503 }));
+    p.click();
+    await waitFor(() => expect(p.downloads).toHaveLength(1));
+    await p.finish();
+    p.assertRequests(parts.map(part => part.blobId));
+    await p.assertZip(['report.txt'], [alpha]);
+    await p.feedback('warning', omitted === 1 ? '1 attachment was omitted from the ZIP.' : '2 attachments were omitted from the ZIP.');
+  });
+
+  it('reports total member failure once without an empty ZIP and retries through the same control', async () => {
+    const p = await openViewer();
+    p.fetchMock.mockResolvedValueOnce(new Response('refused', { status: 403 })).mockResolvedValueOnce(new Response('unavailable', { status: 503 }));
+    p.click(); await p.finish();
+    p.assertRequests(['blob-a', 'blob-b']);
+    p.noDownload();
+    await p.feedback('error', "Couldn't download");
+    await p.recover(['blob-a', 'blob-b']);
+  });
+
+  it('counts only an exhausted network retry as an omission and makes fresh requests on another attempt', async () => {
+    const p = await openViewer();
+    p.fetchMock.mockResolvedValueOnce(bytesResponse(alpha))
+      .mockRejectedValueOnce(new TypeError('synthetic offline')).mockRejectedValueOnce(new TypeError('synthetic offline'));
+    p.click();
+    await waitFor(() => expect(p.downloads).toHaveLength(1), { timeout: 5000 });
+    await p.finish();
+    p.assertRequests(['blob-a', 'blob-b', 'blob-b']);
+    await p.assertZip(['report.txt'], [alpha]);
+    await p.feedback('warning', '1 attachment was omitted from the ZIP.');
+    // Keep the UI/client/message, dismiss the old notification and recover.
+    p.downloads.length = 0;
+    vi.mocked(URL.createObjectURL).mockClear();
+    await p.recover(['blob-a', 'blob-b', 'blob-b']);
+  });
+
+  it.each([false, true])('reports ZIP-generation rejection once, including after member failure=%s, and can retry', async partial => {
+    const p = await openViewer();
+    const diagnostic = vi.spyOn(console, 'error').mockImplementation(() => {});
+    vi.spyOn(JSZip.prototype, 'generateAsync').mockRejectedValueOnce(new Error('synthetic ZIP failure'));
+    p.fetchMock.mockResolvedValueOnce(bytesResponse(alpha)).mockResolvedValueOnce(partial
+      ? new Response('refused', { status: 403 }) : bytesResponse(beta));
+    p.click(); await p.finish();
+    p.assertRequests(['blob-a', 'blob-b']);
+    p.noDownload();
+    await p.feedback('error', "Couldn't download");
+    expect(diagnostic).toHaveBeenCalledWith('Failed to download attachments:', expect.any(Error));
+    // No unhandled-rejection suppression: Vitest must exit successfully.
+    await p.recover(['blob-a', 'blob-b']);
+  });
+
+  it('does not report a terminal failure when the existing automatic retry recovers', async () => {
+    const p = await openViewer();
+    p.fetchMock.mockRejectedValueOnce(new TypeError('synthetic transient'))
+      .mockResolvedValueOnce(bytesResponse(alpha)).mockResolvedValueOnce(bytesResponse(beta));
+    p.click();
+    await waitFor(() => expect(p.downloads).toHaveLength(1), { timeout: 5000 });
+    await p.finish();
+    p.assertRequests(['blob-a', 'blob-a', 'blob-b']);
+    expect(useToastStore.getState().toasts).toEqual([]);
+    await p.assertZip(['report.txt', 'data.bin'], [alpha, beta]);
+  });
+
+  it('keeps the control disabled while fetching and ignores another click', async () => {
+    const p = await openViewer();
+    let release!: (response: Response) => void;
+    p.fetchMock.mockImplementationOnce(() => new Promise(resolve => { release = resolve; })).mockResolvedValueOnce(bytesResponse(beta));
+    p.click();
+    await waitFor(() => expect(p.fetchMock).toHaveBeenCalledTimes(1));
+    fireEvent.click(p.button);
+    expect(p.fetchMock).toHaveBeenCalledTimes(1);
+    expect(useToastStore.getState().toasts).toEqual([]);
+    await act(async () => release(bytesResponse(alpha)));
+    await waitFor(() => expect(p.downloads).toHaveLength(1));
+    await p.finish();
+    p.assertRequests(['blob-a', 'blob-b']);
+    await p.assertZip(['report.txt', 'data.bin'], [alpha, beta]);
+  });
+});
diff --git a/components/email/email-viewer.tsx b/components/email/email-viewer.tsx
index c38ab278e..ad0d816dc 100644
--- a/components/email/email-viewer.tsx
+++ b/components/email/email-viewer.tsx
@@ -3028,7 +3028,10 @@ export function EmailViewer({
         }
       }
 
-      if (added === 0) return;
+      if (added === 0) {
+        toast.error(tFiles('download_error'));
+        return;
+      }
 
       const zipBlob = await zip.generateAsync({ type: 'blob', mimeType: 'application/zip' });
       const objectUrl = URL.createObjectURL(zipBlob);
@@ -3039,10 +3042,15 @@ export function EmailViewer({
       anchor.click();
       anchor.remove();
       setTimeout(() => URL.revokeObjectURL(objectUrl), 60_000);
+      const omitted = effectiveAttachments.length - added;
+      if (omitted > 0) toast.warning(t('download_all_partial', { count: omitted }));
+    } catch (error) {
+      console.error('Failed to download attachments:', error);
+      toast.error(tFiles('download_error'));
     } finally {
       setIsDownloadingAll(false);
     }
-  }, [isDownloadingAll, effectiveAttachments, blobClient, blobAccountId, email]);
+  }, [isDownloadingAll, effectiveAttachments, blobClient, blobAccountId, email, t, tFiles]);
 
   // Shared "Download all" chip, shown only when bundling is worthwhile (2+).
   const downloadAllButton = effectiveAttachments.length > 1 ? (
diff --git a/locales/ar/common.json b/locales/ar/common.json
index 53d1387de..3cbcd5ca8 100644
--- a/locales/ar/common.json
+++ b/locales/ar/common.json
@@ -450,6 +450,7 @@
     "important": "مهم",
     "download": "تنزيل",
     "download_all": "تنزيل الكل",
+    "download_all_partial": "{count, plural, zero {لم تُحذف أي مرفقات من ملف ZIP.} one {حُذف مرفق واحد من ملف ZIP.} two {حُذف مرفقان من ملف ZIP.} few {حُذفت # مرفقات من ملف ZIP.} many {حُذف # مرفقًا من ملف ZIP.} other {حُذف # مرفق من ملف ZIP.}}",
     "from": "من",
     "to": "إلى",
     "cc": "نسخة",
diff --git a/locales/ca/common.json b/locales/ca/common.json
index f6518c120..62e9d8c91 100644
--- a/locales/ca/common.json
+++ b/locales/ca/common.json
@@ -450,6 +450,7 @@
     "important": "Important",
     "download": "Baixa",
     "download_all": "Baixa-ho tot",
+    "download_all_partial": "{count, plural, one {S’ha omès # fitxer adjunt del ZIP.} other {S’han omès # fitxers adjunts del ZIP.}}",
     "from": "De",
     "to": "Per a",
     "cc": "CC",
diff --git a/locales/cs/common.json b/locales/cs/common.json
index a52d94e20..dbb1c0e31 100644
--- a/locales/cs/common.json
+++ b/locales/cs/common.json
@@ -450,6 +450,7 @@
     "important": "Důležité",
     "download": "Stáhnout",
     "download_all": "Stáhnout vše",
+    "download_all_partial": "{count, plural, one {Ze ZIPu byla vynechána # příloha.} few {Ze ZIPu byly vynechány # přílohy.} many {Ze ZIPu bylo vynecháno # přílohy.} other {Ze ZIPu bylo vynecháno # příloh.}}",
     "from": "Od",
     "to": "Komu",
     "cc": "Kopie",
diff --git a/locales/da/common.json b/locales/da/common.json
index 3e04e5ef2..0e8eab4d8 100644
--- a/locales/da/common.json
+++ b/locales/da/common.json
@@ -450,6 +450,7 @@
     "important": "Vigtig",
     "download": "Download",
     "download_all": "Download alle",
+    "download_all_partial": "{count, plural, one {# vedhæftet fil blev udeladt fra ZIP-filen.} other {# vedhæftede filer blev udeladt fra ZIP-filen.}}",
     "from": "Fra",
     "to": "Til",
     "cc": "CC",
diff --git a/locales/de/common.json b/locales/de/common.json
index 87f90a0e2..b9133482b 100644
--- a/locales/de/common.json
+++ b/locales/de/common.json
@@ -450,6 +450,7 @@
     "important": "Wichtig",
     "download": "Herunterladen",
     "download_all": "Alle herunterladen",
+    "download_all_partial": "{count, plural, one {# Anhang wurde im ZIP-Archiv ausgelassen.} other {# Anhänge wurden im ZIP-Archiv ausgelassen.}}",
     "from": "Von",
     "to": "An",
     "cc": "CC",
diff --git a/locales/en/common.json b/locales/en/common.json
index e370559a0..48e0a43b3 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -450,6 +450,7 @@
     "important": "Important",
     "download": "Download",
     "download_all": "Download all",
+    "download_all_partial": "{count, plural, one {# attachment was omitted from the ZIP.} other {# attachments were omitted from the ZIP.}}",
     "from": "From",
     "to": "To",
     "cc": "CC",
diff --git a/locales/es/common.json b/locales/es/common.json
index 45d4255d7..9f5d6ac1d 100644
--- a/locales/es/common.json
+++ b/locales/es/common.json
@@ -450,6 +450,7 @@
     "important": "Importante",
     "download": "Descargar",
     "download_all": "Descargar todo",
+    "download_all_partial": "{count, plural, one {Se ha omitido # archivo adjunto del ZIP.} other {Se han omitido # archivos adjuntos del ZIP.}}",
     "from": "De",
     "to": "Para",
     "cc": "CC",
diff --git a/locales/et/common.json b/locales/et/common.json
index 409dc7914..9d687114a 100644
--- a/locales/et/common.json
+++ b/locales/et/common.json
@@ -450,6 +450,7 @@
     "important": "Oluline",
     "download": "Laadi alla",
     "download_all": "Laadi kõik alla",
+    "download_all_partial": "{count, plural, one {ZIP-failist jäeti välja # manus.} other {ZIP-failist jäeti välja # manust.}}",
     "from": "Saatja",
     "to": "Saaja",
     "cc": "Koopia",
diff --git a/locales/fa/common.json b/locales/fa/common.json
index c67b0be54..df8107ed2 100644
--- a/locales/fa/common.json
+++ b/locales/fa/common.json
@@ -450,6 +450,7 @@
     "important": "مهم",
     "download": "دانلود",
     "download_all": "دانلود همه",
+    "download_all_partial": "{count, plural, one {# پیوست از فایل ZIP حذف شد.} other {# پیوست از فایل ZIP حذف شد.}}",
     "from": "از",
     "to": "به",
     "cc": "رونوشت",
diff --git a/locales/fr/common.json b/locales/fr/common.json
index 05d4a448c..284e0ddc8 100644
--- a/locales/fr/common.json
+++ b/locales/fr/common.json
@@ -450,6 +450,7 @@
     "important": "Important",
     "download": "Télécharger",
     "download_all": "Tout télécharger",
+    "download_all_partial": "{count, plural, one {# pièce jointe a été omise du ZIP.} other {# pièces jointes ont été omises du ZIP.}}",
     "from": "De",
     "to": "À",
     "cc": "CC",
diff --git a/locales/he/common.json b/locales/he/common.json
index 639fb6c7a..0ac358cb1 100644
--- a/locales/he/common.json
+++ b/locales/he/common.json
@@ -399,6 +399,7 @@
     "important": "חָשׁוּב",
     "download": "הורד",
     "download_all": "הורד הכל",
+    "download_all_partial": "{count, plural, one {# קובץ מצורף הושמט מקובץ ה-ZIP.} two {# קבצים מצורפים הושמטו מקובץ ה-ZIP.} other {# קבצים מצורפים הושמטו מקובץ ה-ZIP.}}",
     "from": "מאת",
     "to": "אל",
     "cc": "עותק",
diff --git a/locales/hu/common.json b/locales/hu/common.json
index d73d1024c..f1cf3d685 100644
--- a/locales/hu/common.json
+++ b/locales/hu/common.json
@@ -450,6 +450,7 @@
     "important": "Fontos",
     "download": "Letöltés",
     "download_all": "Összes letöltése",
+    "download_all_partial": "{count, plural, one {# melléklet kimaradt a ZIP-fájlból.} other {# melléklet kimaradt a ZIP-fájlból.}}",
     "from": "Feladó",
     "to": "Címzett",
     "cc": "Másolat",
diff --git a/locales/it/common.json b/locales/it/common.json
index d233c37f2..7b85ee009 100644
--- a/locales/it/common.json
+++ b/locales/it/common.json
@@ -450,6 +450,7 @@
     "important": "Importante",
     "download": "Scarica",
     "download_all": "Scarica tutto",
+    "download_all_partial": "{count, plural, one {# allegato è stato omesso dallo ZIP.} other {# allegati sono stati omessi dallo ZIP.}}",
     "from": "Da",
     "to": "A",
     "cc": "CC",
diff --git a/locales/ja/common.json b/locales/ja/common.json
index 14443e59d..6f76e7751 100644
--- a/locales/ja/common.json
+++ b/locales/ja/common.json
@@ -450,6 +450,7 @@
     "important": "重要",
     "download": "ダウンロード",
     "download_all": "すべてダウンロード",
+    "download_all_partial": "ZIPに含まれなかった添付ファイルは{count}件です。",
     "from": "送信者",
     "to": "宛先",
     "cc": "CC",
diff --git a/locales/ko/common.json b/locales/ko/common.json
index 96e51cd9f..1d7b11282 100644
--- a/locales/ko/common.json
+++ b/locales/ko/common.json
@@ -450,6 +450,7 @@
     "important": "중요",
     "download": "다운로드",
     "download_all": "모두 다운로드",
+    "download_all_partial": "ZIP에 첨부파일 {count}개가 포함되지 않았습니다.",
     "from": "보낸 사람",
     "to": "받는 사람",
     "cc": "참조",
diff --git a/locales/lv/common.json b/locales/lv/common.json
index ea3047e14..e85ee3bfc 100644
--- a/locales/lv/common.json
+++ b/locales/lv/common.json
@@ -450,6 +450,7 @@
     "important": "Svarīgi",
     "download": "Lejupielādēt",
     "download_all": "Lejupielādēt visu",
+    "download_all_partial": "{count, plural, zero {# pielikumi netika iekļauti ZIP failā.} one {# pielikums netika iekļauts ZIP failā.} other {# pielikumi netika iekļauti ZIP failā.}}",
     "from": "No",
     "to": "Kam",
     "cc": "Kopija",
diff --git a/locales/mn/common.json b/locales/mn/common.json
index e6ea18a15..1736cd115 100644
--- a/locales/mn/common.json
+++ b/locales/mn/common.json
@@ -450,6 +450,7 @@
     "important": "Чухал",
     "download": "Татаж авах",
     "download_all": "Бүгдийг нь татаж авах",
+    "download_all_partial": "ZIP файлд {count} хавсралт ороогүй.",
     "from": "",
     "to": "Хэнд",
     "cc": "Хуулбар",
diff --git a/locales/nb/common.json b/locales/nb/common.json
index 6794e637c..a66624e80 100644
--- a/locales/nb/common.json
+++ b/locales/nb/common.json
@@ -450,6 +450,7 @@
     "important": "Viktig",
     "download": "Last ned",
     "download_all": "Last ned alle",
+    "download_all_partial": "{count, plural, one {# vedlegg ble utelatt fra ZIP-filen.} other {# vedlegg ble utelatt fra ZIP-filen.}}",
     "from": "Fra",
     "to": "Til",
     "cc": "CC",
diff --git a/locales/nl/common.json b/locales/nl/common.json
index 21f2232f5..a416a046c 100644
--- a/locales/nl/common.json
+++ b/locales/nl/common.json
@@ -450,6 +450,7 @@
     "important": "Belangrijk",
     "download": "Downloaden",
     "download_all": "Alles downloaden",
+    "download_all_partial": "{count, plural, one {# bijlage is weggelaten uit het ZIP-bestand.} other {# bijlagen zijn weggelaten uit het ZIP-bestand.}}",
     "from": "Van",
     "to": "Aan",
     "cc": "CC",
diff --git a/locales/pl/common.json b/locales/pl/common.json
index b0aae170a..6e68a40dd 100644
--- a/locales/pl/common.json
+++ b/locales/pl/common.json
@@ -450,6 +450,7 @@
     "important": "Ważne",
     "download": "Pobierz",
     "download_all": "Pobierz wszystkie",
+    "download_all_partial": "{count, plural, one {Pominięto # załącznik w archiwum ZIP.} few {Pominięto # załączniki w archiwum ZIP.} many {Pominięto # załączników w archiwum ZIP.} other {Pominięto # załącznika w archiwum ZIP.}}",
     "from": "Od",
     "to": "Do",
     "cc": "DW",
diff --git a/locales/pt/common.json b/locales/pt/common.json
index 3603dd30d..6b3a3d5a0 100644
--- a/locales/pt/common.json
+++ b/locales/pt/common.json
@@ -450,6 +450,7 @@
     "important": "Importante",
     "download": "Baixar",
     "download_all": "Baixar tudo",
+    "download_all_partial": "{count, plural, one {# anexo foi omitido do ZIP.} other {# anexos foram omitidos do ZIP.}}",
     "from": "De",
     "to": "Para",
     "cc": "CC",
diff --git a/locales/ro/common.json b/locales/ro/common.json
index 6f8502c27..7acb060ea 100644
--- a/locales/ro/common.json
+++ b/locales/ro/common.json
@@ -450,6 +450,7 @@
     "important": "Important",
     "download": "Descărcați",
     "download_all": "Descărcați tot",
+    "download_all_partial": "{count, plural, one {# atașament a fost omis din ZIP.} few {# atașamente au fost omise din ZIP.} other {# de atașamente au fost omise din ZIP.}}",
     "from": "De la",
     "to": "Către",
     "cc": "CC",
diff --git a/locales/ru/common.json b/locales/ru/common.json
index b88e0e8f0..a7398807b 100644
--- a/locales/ru/common.json
+++ b/locales/ru/common.json
@@ -450,6 +450,7 @@
     "important": "Важное",
     "download": "Скачать",
     "download_all": "Скачать все",
+    "download_all_partial": "{count, plural, one {# вложение не включено в ZIP-архив.} few {# вложения не включены в ZIP-архив.} many {# вложений не включены в ZIP-архив.} other {# вложения не включены в ZIP-архив.}}",
     "from": "От",
     "to": "Кому",
     "cc": "Копия",
diff --git a/locales/sk/common.json b/locales/sk/common.json
index 7c2579d36..ce37f6b31 100644
--- a/locales/sk/common.json
+++ b/locales/sk/common.json
@@ -450,6 +450,7 @@
     "important": "Dôležité",
     "download": "Stiahnuť",
     "download_all": "Stiahnuť všetko",
+    "download_all_partial": "{count, plural, one {Zo ZIPu bola vynechaná # príloha.} few {Zo ZIPu boli vynechané # prílohy.} many {Zo ZIPu bolo vynechaných # prílohy.} other {Zo ZIPu bolo vynechaných # príloh.}}",
     "from": "Od",
     "to": "Komu",
     "cc": "Kópia",
diff --git a/locales/th/common.json b/locales/th/common.json
index e8ce9fe3b..cef4c4299 100644
--- a/locales/th/common.json
+++ b/locales/th/common.json
@@ -1293,6 +1293,7 @@
     "important": "สำคัญ",
     "download": "ดาวน์โหลด",
     "download_all": "ดาวน์โหลดทั้งหมด",
+    "download_all_partial": "ไฟล์แนบ {count} รายการไม่ถูกรวมในไฟล์ ZIP",
     "from": "จาก",
     "to": "ถึง",
     "cc": "สำเนา (CC)",
diff --git a/locales/tr/common.json b/locales/tr/common.json
index 848d215f2..7cfa61ffb 100644
--- a/locales/tr/common.json
+++ b/locales/tr/common.json
@@ -450,6 +450,7 @@
     "important": "Önemli",
     "download": "İndir",
     "download_all": "Tümünü indir",
+    "download_all_partial": "ZIP dosyasına {count} ek dahil edilemedi.",
     "from": "Kimden",
     "to": "Kime",
     "cc": "CC",
diff --git a/locales/uk/common.json b/locales/uk/common.json
index f6acc947b..c99127ea0 100644
--- a/locales/uk/common.json
+++ b/locales/uk/common.json
@@ -450,6 +450,7 @@
     "important": "важливо",
     "download": "Завантажити",
     "download_all": "Завантажити все",
+    "download_all_partial": "{count, plural, one {# вкладення не включено до ZIP-архіву.} few {# вкладення не включено до ZIP-архіву.} many {# вкладень не включено до ZIP-архіву.} other {# вкладення не включено до ZIP-архіву.}}",
     "from": "Від",
     "to": "до",
     "cc": "CC",
diff --git a/locales/zh-TW/common.json b/locales/zh-TW/common.json
index f3aa1b8b8..e72f394d6 100644
--- a/locales/zh-TW/common.json
+++ b/locales/zh-TW/common.json
@@ -450,6 +450,7 @@
     "important": "重要",
     "download": "下載",
     "download_all": "全部下載",
+    "download_all_partial": "有 {count} 個附件未包含在 ZIP 中。",
     "from": "寄件者",
     "to": "收件者",
     "cc": "副本",
diff --git a/locales/zh/common.json b/locales/zh/common.json
index 3e0ae974b..e01dbb08c 100644
--- a/locales/zh/common.json
+++ b/locales/zh/common.json
@@ -450,6 +450,7 @@
     "important": "重要",
     "download": "下载",
     "download_all": "全部下载",
+    "download_all_partial": "有 {count} 个附件未包含在 ZIP 中。",
     "from": "发件人",
     "to": "收件人",
     "cc": "抄送",