diff --git a/components/contacts/__tests__/contacts-directory-entry.test.tsx b/components/contacts/__tests__/contacts-directory-entry.test.tsx
new file mode 100644
index 000000000..9e8a07326
--- /dev/null
+++ b/components/contacts/__tests__/contacts-directory-entry.test.tsx
@@ -0,0 +1,90 @@
+import { act, fireEvent, render, screen } from '@testing-library/react';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import type { IJMAPClient } from '@/lib/jmap/client-interface';
+import type { DirectoryStatus } from '@/stores/contact-store';
+
+// The Directory entry in the Contacts sidebar (#1457): it follows the user's
+// setting, and goes away when the server refuses to list its directory.
+
+vi.mock('next/navigation', () => ({
+  useRouter: () => ({ push: vi.fn(), back: vi.fn() }),
+  useParams: () => ({ locale: 'en' }),
+  usePathname: () => '/en/contacts',
+  useSearchParams: () => new URLSearchParams(),
+}));
+vi.mock('@/components/contacts/contact-activity', () => ({ ContactActivity: () => null }));
+vi.mock('@/components/layout/navigation-rail', () => ({ NavigationRail: () => <nav data-testid="rail" /> }));
+vi.mock('@/components/layout/sidebar-apps-modal', () => ({ SidebarAppsModal: () => null }));
+vi.mock('@/components/layout/inline-app-view', () => ({ InlineAppView: () => null }));
+vi.mock('@/components/layout/mv-top-bar', () => ({ MvTopBar: () => null }));
+vi.mock('@/components/plugins/app-top-banner-slot', () => ({ AppTopBannerSlot: () => null }));
+vi.mock('@/hooks/use-sidebar-apps', () => ({
+  useSidebarApps: () => ({
+    showAppsModal: false, inlineApp: null, loadedApps: [], handleManageApps: vi.fn(),
+    handleInlineApp: vi.fn(), closeInlineApp: vi.fn(), closeAppsModal: vi.fn(),
+  }),
+}));
+
+import { ContactsApp } from '../contacts-app';
+import { useAuthStore } from '@/stores/auth-store';
+import { useContactStore } from '@/stores/contact-store';
+import { useSettingsStore } from '@/stores/settings-store';
+import { presettableSetting } from '@/lib/admin/policy-settings';
+
+const CLIENT = { supportsPrincipals: () => true } as unknown as IJMAPClient;
+
+function renderContacts(directoryStatus: DirectoryStatus) {
+  act(() => {
+    useAuthStore.setState({ isAuthenticated: true, client: CLIENT, isLoading: false });
+    useContactStore.setState({
+      contacts: [],
+      addressBooks: [],
+      selectedContactId: null,
+      selectedContactIds: new Set(),
+      searchQuery: '',
+      supportsSync: false,
+      contactsLoaded: true,
+      directoryPrincipals: [],
+      directoryLoaded: true,
+      directoryStatus,
+    });
+  });
+  return render(<ContactsApp />);
+}
+
+const entry = () => screen.queryByTestId('contacts-directory-entry');
+
+afterEach(() => {
+  useSettingsStore.setState({ showContactsDirectory: true });
+});
+
+describe('Directory entry in Contacts', () => {
+  it('shows when the server lists its directory', () => {
+    renderContacts('ready');
+    expect(entry()).not.toBeNull();
+  });
+
+  it('is hidden when the server refuses to list the directory', () => {
+    renderContacts('forbidden');
+    expect(entry()).toBeNull();
+  });
+
+  it('is hidden when the user turned it off', () => {
+    useSettingsStore.setState({ showContactsDirectory: false });
+    renderContacts('ready');
+    expect(entry()).toBeNull();
+  });
+
+  it('leaves the directory view when the entry goes away', () => {
+    renderContacts('ready');
+    fireEvent.click(entry()!);
+    expect(screen.getByRole('button', { name: 'select_page' })).toBeInTheDocument();
+    act(() => { useContactStore.setState({ directoryStatus: 'forbidden' }); });
+    expect(entry()).toBeNull();
+    expect(screen.queryByRole('button', { name: 'select_page' })).toBeNull();
+  });
+
+  it('can be preset and locked by the admin policy', () => {
+    expect(presettableSetting('showContactsDirectory')).toMatchObject({ type: 'boolean', defaultValue: true });
+  });
+});
diff --git a/components/contacts/contacts-app.tsx b/components/contacts/contacts-app.tsx
index a71b95046..2a2405aeb 100644
--- a/components/contacts/contacts-app.tsx
+++ b/components/contacts/contacts-app.tsx
@@ -24,6 +24,7 @@ import { PromptDialog } from "@/components/ui/prompt-dialog";
 import { exportContacts } from "@/components/contacts/contact-export";
 import { AppTopBannerSlot } from "@/components/plugins/app-top-banner-slot";
 import { useContactStore, getContactDisplayName, getContactPrimaryEmail, type DirectoryEntry } from "@/stores/contact-store";
+import { useSettingsStore } from "@/stores/settings-store";
 import { inlineContactMedia, type ContactSaveOptions } from "@/lib/contact-media";
 import { getContactPhotoClient } from "@/hooks/use-contact-photo";
 import { savePendingMailto } from "@/lib/protocol-handlers/session";
@@ -155,7 +156,11 @@ function ContactsAppContent({ linkSegments: routeSegments }: ContactsAppProps =
   const [directorySelection, setDirectorySelection] = useState<Set<string>>(() => new Set());
   const [openDirectoryKey, setOpenDirectoryKey] = useState<string | null>(null);
   const directoryPrincipals = useContactStore((s) => s.directoryPrincipals);
-  const showDirectory = !!client?.supportsPrincipals();
+  const directoryStatus = useContactStore((s) => s.directoryStatus);
+  const showContactsDirectory = useSettingsStore((s) => s.showContactsDirectory);
+  // Hidden when the user turned it off, and when the server refuses to list
+  // its directory (Stalwart 1.0 for normal users): there's nothing to browse.
+  const showDirectory = !!client?.supportsPrincipals() && showContactsDirectory && directoryStatus !== "forbidden";
   const hasFetched = useRef(false);
   const { dialogProps: confirmDialogProps, confirm: confirmDialog } = useConfirmDialog();
   const isMobile = useIsMobile();
@@ -460,6 +465,17 @@ function ContactsAppContent({ linkSegments: routeSegments }: ContactsAppProps =
     return books.size === 1 ? [...books][0] : null;
   }, [movingContactIds, contacts]);
 
+  // The directory went away while open (turned off, or the server refused
+  // to list it): back to all contacts.
+  useEffect(() => {
+    if (!showDirectory && activeCategory === "directory") {
+      setActiveCategory("all");
+      setDirectorySelection(new Set());
+      setOpenDirectoryKey(null);
+      setView("list");
+    }
+  }, [showDirectory, activeCategory]);
+
   // Deleting a category only takes a label off contacts: no question, an Undo (R3).
   const deleteCategory = useDeleteCategory();
   const handleDeleteKeyword = useCallback(async (keyword: string) => {
diff --git a/components/settings/__tests__/settings-search-anchors.test.tsx b/components/settings/__tests__/settings-search-anchors.test.tsx
index 9f72444e9..706d9ee75 100644
--- a/components/settings/__tests__/settings-search-anchors.test.tsx
+++ b/components/settings/__tests__/settings-search-anchors.test.tsx
@@ -61,7 +61,7 @@ const pages = {
 const OVERRIDES: Record<string, () => unknown> = {
   getAccountId: () => 'acc', getSieveAccountId: () => 'acc', getUsername: () => 'user@example.com',
   getSharedAccounts: () => [], getSieveAccounts: () => [], getSieveCapabilities: () => null,
-  hasAccountCapability: () => false, supportsCalendars: () => true, supportsFiles: () => true, hasDelayedSend: () => true,
+  hasAccountCapability: () => false, supportsCalendars: () => true, supportsPrincipals: () => true, supportsFiles: () => true, hasDelayedSend: () => true,
   // Sharing and Recover deleted items read these on open.
   getShareTargets: async () => ({ targets: [], failed: [] }), listPrincipals: async () => ({ principals: [], status: 'ok' }),
   getPrincipals: async () => [], listArchivedEmails: async () => ({ items: [], nextPosition: null }),
diff --git a/components/settings/contacts-settings.tsx b/components/settings/contacts-settings.tsx
index 6734cc0d9..af8e3ff95 100644
--- a/components/settings/contacts-settings.tsx
+++ b/components/settings/contacts-settings.tsx
@@ -10,6 +10,7 @@ import { exportContacts, useContactExportBusy } from "@/components/contacts/cont
 import { useContactStore } from "@/stores/contact-store";
 import { useAuthStore } from "@/stores/auth-store";
 import { useSettingsStore } from "@/stores/settings-store";
+import { usePolicyStore } from "@/stores/policy-store";
 import { toast } from "@/stores/toast-store";
 
 export function ContactsSettings() {
@@ -23,6 +24,9 @@ export function ContactsSettings() {
   } = useContactStore();
   const groupContactsByLetter = useSettingsStore((s) => s.groupContactsByLetter);
   const sortContactsByLastName = useSettingsStore((s) => s.sortContactsByLastName);
+  const showContactsDirectory = useSettingsStore((s) => s.showContactsDirectory);
+  const directoryLocked = usePolicyStore((s) => s.isSettingLocked("showContactsDirectory"));
+  const directoryHidden = usePolicyStore((s) => s.isSettingHidden("showContactsDirectory"));
   const updateSetting = useSettingsStore((s) => s.updateSetting);
   const [showImport, setShowImport] = useState(false);
   const exporting = useContactExportBusy();
@@ -80,6 +84,19 @@ export function ContactsSettings() {
         />
       </SettingItem>
 
+      {!!client?.supportsPrincipals() && !directoryHidden && (
+        <SettingItem
+          label={tSettings("show_directory_label")}
+          description={tSettings("show_directory_description")}
+          locked={directoryLocked}
+        >
+          <ToggleSwitch
+            checked={showContactsDirectory}
+            onChange={(checked) => updateSetting("showContactsDirectory", checked)}
+          />
+        </SettingItem>
+      )}
+
       <SettingItem
         label={tSettings("import_label")}
         description={tSettings("import_description")}
diff --git a/lib/admin/restriction-keys.ts b/lib/admin/restriction-keys.ts
index 88cdd98cf..a65cabdee 100644
--- a/lib/admin/restriction-keys.ts
+++ b/lib/admin/restriction-keys.ts
@@ -77,6 +77,15 @@ export const RESTRICTION_KEYS: readonly RestrictionKeyDef[] = [
   { key: 'emailNotificationsEnabled', label: 'Email Notifications', category: 'Notifications', type: 'boolean', page: 'policy', defaultValue: true },
   { key: 'calendarNotificationsEnabled', label: 'Calendar Notifications', category: 'Notifications', type: 'boolean', page: 'policy', defaultValue: true },
   { key: 'pushNotifyInboxOnly', label: 'Inbox-only Push Notifications', category: 'Notifications', type: 'boolean', page: 'policy', defaultValue: false },
+  {
+    key: 'showContactsDirectory',
+    label: 'Directory in Contacts',
+    description: 'Off hides the Directory entry that lists the accounts and groups on the mail server. Recipient suggestions, sharing and free/busy still use the directory.',
+    category: 'Contacts',
+    type: 'boolean',
+    page: 'policy',
+    defaultValue: true,
+  },
   { key: 'debugMode', label: 'Debug Mode', category: 'Advanced', type: 'boolean', page: 'policy', defaultValue: false },
   {
     key: 'signature',
diff --git a/lib/settings-search.ts b/lib/settings-search.ts
index 125feb1bc..c058b1d40 100644
--- a/lib/settings-search.ts
+++ b/lib/settings-search.ts
@@ -326,6 +326,7 @@ export const tabSearchEntries: Record<Tab, SettingsSearchEntry[]> = {
   contacts: [
     { label: 'settings.contacts.group_by_letter_label' },
     { label: 'settings.contacts.sort_by_last_name_label' },
+    { label: 'settings.contacts.show_directory_label' },
     { label: 'settings.contacts.import_label' },
     { label: 'settings.contacts.export_label' },
     { label: 'settings.contacts.manage_title' },
diff --git a/locales/ar/common.json b/locales/ar/common.json
index f5c7b2c7d..66ca59edc 100644
--- a/locales/ar/common.json
+++ b/locales/ar/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "التجميع حسب الحرف الأول",
       "sort_by_last_name_label": "الترتيب حسب اسم العائلة",
       "sort_by_last_name_description": "ترتيب قائمة جهات الاتصال حسب اسم العائلة بحيث يظهر أفراد العائلة معًا",
+      "show_directory_label": "إظهار الدليل",
+      "show_directory_description": "عرض الحسابات والمجموعات الموجودة على خادم البريد تحت \"الدليل\" في جهات الاتصال",
       "group_by_letter_description": "إظهار عناوين أقسام أبجدية في قائمة جهات الاتصال",
       "import_label": "استيراد جهات الاتصال",
       "import_description": "استيراد جهات الاتصال من ملف vCard (‎.vcf)",
diff --git a/locales/ca/common.json b/locales/ca/common.json
index c5e8f90dc..6dd90b0f4 100644
--- a/locales/ca/common.json
+++ b/locales/ca/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "Agrupa per lletra inicial",
       "sort_by_last_name_label": "Ordena per cognom",
       "sort_by_last_name_description": "Ordena la llista de contactes per cognom perquè els membres d'una família apareguin junts",
+      "show_directory_label": "Mostra el directori",
+      "show_directory_description": "Llista els comptes i grups del servidor de correu a \"Directori\" dins de Contactes",
       "group_by_letter_description": "Mostra capçaleres de secció alfabètiques a la llista de contactes",
       "import_label": "Importa contactes",
       "import_description": "Importeu contactes des d'un fitxer vCard (.vcf)",
diff --git a/locales/cs/common.json b/locales/cs/common.json
index 470fff17a..86e2d9ce7 100644
--- a/locales/cs/common.json
+++ b/locales/cs/common.json
@@ -2572,6 +2572,8 @@
       "group_by_letter_label": "Seskupit podle prvního písmena",
       "sort_by_last_name_label": "Řadit podle příjmení",
       "sort_by_last_name_description": "Seřadit seznam kontaktů podle příjmení, aby členové rodiny byli pohromadě",
+      "show_directory_label": "Zobrazit adresář organizace",
+      "show_directory_description": "Zobrazit účty a skupiny na poštovním serveru v Kontaktech pod položkou „Adresář organizace“",
       "group_by_letter_description": "Zobrazit záhlaví sekcí podle abecedy v seznamu kontaktů",
       "import_label": "Importovat kontakty",
       "import_description": "Importovat kontakty ze souboru vCard (.vcf)",
diff --git a/locales/da/common.json b/locales/da/common.json
index 7a3de8339..71ebe51db 100644
--- a/locales/da/common.json
+++ b/locales/da/common.json
@@ -2575,6 +2575,8 @@
       "group_by_letter_label": "Gruppér efter første bogstav",
       "sort_by_last_name_label": "Sortér efter efternavn",
       "sort_by_last_name_description": "Sortér kontaktlisten efter efternavn, så familiemedlemmer står samlet",
+      "show_directory_label": "Vis adressefortegnelsen",
+      "show_directory_description": "Vis kontiene og grupperne på mailserveren under \"Adressefortegnelse\" i Kontakter",
       "group_by_letter_description": "Vis alfabetiske sektionsoverskrifter i kontaktlisten",
       "import_label": "Importér kontakter",
       "import_description": "Importér kontakter fra en vCard-fil (.vcf)",
diff --git a/locales/de/common.json b/locales/de/common.json
index 08a5dfc6e..fee7a0290 100644
--- a/locales/de/common.json
+++ b/locales/de/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Alphabetische Abschnittsüberschriften in der Kontaktliste anzeigen",
       "group_by_letter_label": "Nach Anfangsbuchstaben gruppieren",
       "sort_by_last_name_label": "Nach Nachname sortieren",
-      "sort_by_last_name_description": "Kontaktliste nach Nachnamen ordnen, damit Familienmitglieder zusammenstehen"
+      "sort_by_last_name_description": "Kontaktliste nach Nachnamen ordnen, damit Familienmitglieder zusammenstehen",
+      "show_directory_label": "Verzeichnis anzeigen",
+      "show_directory_description": "Zeigt die Konten und Gruppen auf dem Mailserver unter „Verzeichnis“ in den Kontakten"
     },
     "calendar_management": {
       "delete_title": "Kalender löschen?",
diff --git a/locales/en/common.json b/locales/en/common.json
index 0ac5922d9..805c2d63b 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -2580,6 +2580,8 @@
       "group_by_letter_description": "Show alphabetical section headers in the contact list",
       "sort_by_last_name_label": "Sort by last name",
       "sort_by_last_name_description": "Order the contact list by surname so family members appear together",
+      "show_directory_label": "Show the directory",
+      "show_directory_description": "List the accounts and groups on your mail server under Directory in Contacts",
       "import_label": "Import contacts",
       "import_description": "Import contacts from a vCard (.vcf) file",
       "export_label": "Export contacts",
diff --git a/locales/es/common.json b/locales/es/common.json
index 6752de642..490c136c5 100644
--- a/locales/es/common.json
+++ b/locales/es/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Mostrar encabezados alfabéticos en la lista de contactos",
       "group_by_letter_label": "Agrupar por primera letra",
       "sort_by_last_name_label": "Ordenar por apellido",
-      "sort_by_last_name_description": "Ordenar la lista de contactos por apellido para que los miembros de una familia aparezcan juntos"
+      "sort_by_last_name_description": "Ordenar la lista de contactos por apellido para que los miembros de una familia aparezcan juntos",
+      "show_directory_label": "Mostrar el directorio",
+      "show_directory_description": "Muestra las cuentas y los grupos del servidor de correo en \"Directorio\" dentro de Contactos"
     },
     "calendar_management": {
       "delete_title": "¿Eliminar el calendario?",
diff --git a/locales/et/common.json b/locales/et/common.json
index f1c378c57..e3cf8eb5a 100644
--- a/locales/et/common.json
+++ b/locales/et/common.json
@@ -2580,6 +2580,8 @@
       "group_by_letter_description": "Näita kontaktide loendis tähestikulisi jaotisepealkirju",
       "sort_by_last_name_label": "Sordi perekonnanime järgi",
       "sort_by_last_name_description": "Järjesta kontaktide loend perekonnanime järgi, et pereliikmed oleksid koos",
+      "show_directory_label": "Näita kataloogi",
+      "show_directory_description": "Näita meiliserveri kontosid ja rühmi Kontaktide all jaotises „Kataloog“",
       "import_label": "Impordi kontaktid",
       "import_description": "Impordi kontaktid vCard (.vcf) failist",
       "export_label": "Ekspordi kontaktid",
diff --git a/locales/fa/common.json b/locales/fa/common.json
index 2da9a6e5a..dc77f362c 100644
--- a/locales/fa/common.json
+++ b/locales/fa/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "گروه‌بندی بر اساس حرف اول",
       "sort_by_last_name_label": "مرتب‌سازی بر اساس نام خانوادگی",
       "sort_by_last_name_description": "لیست مخاطبین را بر اساس نام خانوادگی مرتب کنید تا اعضای خانواده کنار هم نمایش داده شوند",
+      "show_directory_label": "نمایش فهرست سازمانی",
+      "show_directory_description": "حساب‌ها و گروه‌های سرور ایمیل را زیر «فهرست سازمانی» در مخاطبین نشان می‌دهد",
       "group_by_letter_description": "نمایش هدرهای الفبایی در لیست مخاطبین",
       "import_label": "وارد کردن مخاطبین",
       "import_description": "وارد کردن مخاطبین از فایل vCard (.vcf)",
diff --git a/locales/fr/common.json b/locales/fr/common.json
index c41f6a286..039e8cf2b 100644
--- a/locales/fr/common.json
+++ b/locales/fr/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Afficher des en-têtes alphabétiques dans la liste de contacts",
       "group_by_letter_label": "Grouper par première lettre",
       "sort_by_last_name_label": "Trier par nom de famille",
-      "sort_by_last_name_description": "Classer la liste des contacts par nom de famille pour regrouper les membres d'une même famille"
+      "sort_by_last_name_description": "Classer la liste des contacts par nom de famille pour regrouper les membres d'une même famille",
+      "show_directory_label": "Afficher l’annuaire",
+      "show_directory_description": "Affiche les comptes et groupes du serveur de messagerie sous « Annuaire » dans Contacts"
     },
     "calendar_management": {
       "delete_title": "Supprimer le calendrier ?",
diff --git a/locales/he/common.json b/locales/he/common.json
index dee262172..c5e6cdb5e 100644
--- a/locales/he/common.json
+++ b/locales/he/common.json
@@ -2548,6 +2548,8 @@
       "group_by_letter_label": "קבוצה לפי אות ראשונה",
       "sort_by_last_name_label": "מיון לפי שם משפחה",
       "sort_by_last_name_description": "סידור רשימת אנשי הקשר לפי שם משפחה כך שבני אותה משפחה יופיעו יחד",
+      "show_directory_label": "הצג את הספרייה",
+      "show_directory_description": "הצגת החשבונות והקבוצות בשרת הדואר תחת \"ספרייה\" באנשי הקשר",
       "group_by_letter_description": "הצג כותרות חלקים אלפביתיים ברשימת אנשי הקשר"
     },
     "calendar_management": {
diff --git a/locales/hu/common.json b/locales/hu/common.json
index 2acb340f5..771ab2e31 100644
--- a/locales/hu/common.json
+++ b/locales/hu/common.json
@@ -2575,6 +2575,8 @@
       "group_by_letter_label": "Csoportosítás kezdőbetű szerint",
       "sort_by_last_name_label": "Rendezés vezetéknév szerint",
       "sort_by_last_name_description": "A névjegylista vezetéknév szerinti rendezése, hogy a családtagok egymás mellett legyenek",
+      "show_directory_label": "Címtár megjelenítése",
+      "show_directory_description": "A levelezőszerver fiókjainak és csoportjainak megjelenítése a Névjegyek „Címtár” részében",
       "group_by_letter_description": "ABC sorrendű fejléc mutatása a névjegy listában",
       "import_label": "Névjegyek importálása",
       "import_description": "Névjegyek importálása vCard (.vcf) fájlból",
diff --git a/locales/it/common.json b/locales/it/common.json
index 3c24fa252..a5e0edd07 100644
--- a/locales/it/common.json
+++ b/locales/it/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Mostra intestazioni alfabetiche nell'elenco dei contatti",
       "group_by_letter_label": "Raggruppa per prima lettera",
       "sort_by_last_name_label": "Ordina per cognome",
-      "sort_by_last_name_description": "Ordina l'elenco dei contatti per cognome così i familiari compaiono insieme"
+      "sort_by_last_name_description": "Ordina l'elenco dei contatti per cognome così i familiari compaiono insieme",
+      "show_directory_label": "Mostra la rubrica aziendale",
+      "show_directory_description": "Elenca gli account e i gruppi del server di posta sotto \"Rubrica aziendale\" in Contatti"
     },
     "calendar_management": {
       "delete_title": "Eliminare il calendario?",
diff --git a/locales/ja/common.json b/locales/ja/common.json
index a192cfc9b..cac130825 100644
--- a/locales/ja/common.json
+++ b/locales/ja/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "連絡先リストにアルファベット順のセクション見出しを表示",
       "group_by_letter_label": "頭文字でグループ化",
       "sort_by_last_name_label": "姓で並べ替え",
-      "sort_by_last_name_description": "家族が並んで表示されるように、連絡先一覧を姓の順に並べ替えます"
+      "sort_by_last_name_description": "家族が並んで表示されるように、連絡先一覧を姓の順に並べ替えます",
+      "show_directory_label": "ディレクトリを表示",
+      "show_directory_description": "連絡先の「ディレクトリ」にメールサーバーのアカウントとグループを表示します"
     },
     "calendar_management": {
       "delete_title": "カレンダーを削除しますか?",
diff --git a/locales/ko/common.json b/locales/ko/common.json
index 42a1e7baf..c80a63343 100644
--- a/locales/ko/common.json
+++ b/locales/ko/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "연락처 목록에 알파벳순 섹션 헤더 표시",
       "group_by_letter_label": "첫 글자로 그룹화",
       "sort_by_last_name_label": "성으로 정렬",
-      "sort_by_last_name_description": "가족 구성원이 함께 표시되도록 연락처 목록을 성 기준으로 정렬합니다"
+      "sort_by_last_name_description": "가족 구성원이 함께 표시되도록 연락처 목록을 성 기준으로 정렬합니다",
+      "show_directory_label": "디렉터리 표시",
+      "show_directory_description": "연락처의 \"디렉터리\"에 메일 서버의 계정과 그룹을 표시합니다"
     },
     "calendar_management": {
       "delete_title": "캘린더를 삭제할까요?",
diff --git a/locales/lv/common.json b/locales/lv/common.json
index 9b30806e2..ecb315770 100644
--- a/locales/lv/common.json
+++ b/locales/lv/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Rādīt alfabētiskos sadaļu virsrakstus kontaktu sarakstā",
       "group_by_letter_label": "Grupēt pēc pirmā burta",
       "sort_by_last_name_label": "Kārtot pēc uzvārda",
-      "sort_by_last_name_description": "Kārtot kontaktu sarakstu pēc uzvārda, lai ģimenes locekļi būtu kopā"
+      "sort_by_last_name_description": "Kārtot kontaktu sarakstu pēc uzvārda, lai ģimenes locekļi būtu kopā",
+      "show_directory_label": "Rādīt katalogu",
+      "show_directory_description": "Rādīt pasta servera kontus un grupas sadaļā “Katalogs” kontaktos"
     },
     "calendar_management": {
       "delete_title": "Dzēst kalendāru?",
diff --git a/locales/mn/common.json b/locales/mn/common.json
index 5cb6a933f..0ef66e715 100644
--- a/locales/mn/common.json
+++ b/locales/mn/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "Эхний үсгээр бүлэглэх",
       "sort_by_last_name_label": "Овгоор эрэмбэлэх",
       "sort_by_last_name_description": "Гэр бүлийн гишүүд хамт харагдахаар харилцах хүмүүсийн жагсаалтыг овгоор эрэмбэлэх",
+      "show_directory_label": "Лавлахыг харуулах",
+      "show_directory_description": "Харилцагчид хэсгийн \"Лавлах\" дор шуудангийн серверийн бүртгэл, бүлгүүдийг харуулна",
       "group_by_letter_description": "Харилцах хүмүүсийн жагсаалтад цагаан толгойн үсгийн дарааллаар хэсгийн толгойг харуулах",
       "import_label": "Харилцагчдыг импортлох",
       "import_description": "vCard (.vcf) файлаас харилцагчдыг импортлох",
diff --git a/locales/nb/common.json b/locales/nb/common.json
index 708cf47ab..d6865f576 100644
--- a/locales/nb/common.json
+++ b/locales/nb/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "Grupper etter første bokstav",
       "sort_by_last_name_label": "Sorter etter etternavn",
       "sort_by_last_name_description": "Sorter kontaktlisten etter etternavn slik at familiemedlemmer står samlet",
+      "show_directory_label": "Vis katalogen",
+      "show_directory_description": "Vis kontoene og gruppene på e-postserveren under «Katalog» i Kontakter",
       "group_by_letter_description": "Vis alfabetiske overskrifter i kontaktlisten",
       "import_label": "Importer kontakter",
       "import_description": "Importer kontakter fra en vCard-fil (.vcf).",
diff --git a/locales/nl/common.json b/locales/nl/common.json
index 0290e9e32..eff26007e 100644
--- a/locales/nl/common.json
+++ b/locales/nl/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Toon alfabetische sectiekoppen in de contactenlijst",
       "group_by_letter_label": "Groeperen op eerste letter",
       "sort_by_last_name_label": "Sorteren op achternaam",
-      "sort_by_last_name_description": "Sorteer de contactenlijst op achternaam zodat gezinsleden bij elkaar staan"
+      "sort_by_last_name_description": "Sorteer de contactenlijst op achternaam zodat gezinsleden bij elkaar staan",
+      "show_directory_label": "Adresboek van de organisatie tonen",
+      "show_directory_description": "Toon de accounts en groepen op de mailserver onder \"Adresboek van de organisatie\" in Contacten"
     },
     "calendar_management": {
       "delete_title": "Agenda verwijderen?",
diff --git a/locales/pl/common.json b/locales/pl/common.json
index 897ef6039..d115f1cce 100644
--- a/locales/pl/common.json
+++ b/locales/pl/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Pokaż alfabetyczne nagłówki sekcji na liście kontaktów",
       "group_by_letter_label": "Grupuj według pierwszej litery",
       "sort_by_last_name_label": "Sortuj według nazwiska",
-      "sort_by_last_name_description": "Uporządkuj listę kontaktów według nazwiska, aby członkowie rodziny byli obok siebie"
+      "sort_by_last_name_description": "Uporządkuj listę kontaktów według nazwiska, aby członkowie rodziny byli obok siebie",
+      "show_directory_label": "Pokaż katalog",
+      "show_directory_description": "Wyświetla konta i grupy z serwera poczty w sekcji „Katalog” w Kontaktach"
     },
     "calendar_management": {
       "delete_title": "Usunąć kalendarz?",
diff --git a/locales/pt/common.json b/locales/pt/common.json
index 73f060dbd..ebd45e3dd 100644
--- a/locales/pt/common.json
+++ b/locales/pt/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Mostrar cabeçalhos de seção alfabéticos na lista de contatos",
       "group_by_letter_label": "Agrupar pela primeira letra",
       "sort_by_last_name_label": "Ordenar por sobrenome",
-      "sort_by_last_name_description": "Ordenar a lista de contatos por sobrenome para que os membros da família apareçam juntos"
+      "sort_by_last_name_description": "Ordenar a lista de contatos por sobrenome para que os membros da família apareçam juntos",
+      "show_directory_label": "Mostrar o diretório",
+      "show_directory_description": "Lista as contas e os grupos do servidor de e-mail em \"Diretório\" nos Contatos"
     },
     "calendar_management": {
       "delete_title": "Eliminar o calendário?",
diff --git a/locales/ro/common.json b/locales/ro/common.json
index 26633ecc4..07cca6dbb 100644
--- a/locales/ro/common.json
+++ b/locales/ro/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "Grupați după prima literă",
       "sort_by_last_name_label": "Sortare după nume de familie",
       "sort_by_last_name_description": "Ordonați lista de contacte după numele de familie, astfel încât membrii familiei să apară împreună",
+      "show_directory_label": "Afișează directorul",
+      "show_directory_description": "Afișează conturile și grupurile de pe serverul de e-mail la „Director” în Contacte",
       "group_by_letter_description": "Afișați titlurile secțiunilor în ordine alfabetică în lista de contacte",
       "import_label": "Importați contactele",
       "import_description": "Importați contactele dintr-un fișier „vCard” (.vcf)",
diff --git a/locales/ru/common.json b/locales/ru/common.json
index b0d758057..da4e8b6e9 100644
--- a/locales/ru/common.json
+++ b/locales/ru/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Показывать алфавитные заголовки разделов в списке контактов",
       "group_by_letter_label": "Группировать по первой букве",
       "sort_by_last_name_label": "Сортировать по фамилии",
-      "sort_by_last_name_description": "Упорядочить список контактов по фамилии, чтобы члены семьи шли подряд"
+      "sort_by_last_name_description": "Упорядочить список контактов по фамилии, чтобы члены семьи шли подряд",
+      "show_directory_label": "Показывать справочник",
+      "show_directory_description": "Показывать учётные записи и группы почтового сервера в разделе «Справочник» в Контактах"
     },
     "calendar_management": {
       "delete_title": "Удалить календарь?",
diff --git a/locales/sk/common.json b/locales/sk/common.json
index 46e9c0440..bd4c69561 100644
--- a/locales/sk/common.json
+++ b/locales/sk/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "Zoskupiť podľa prvého písmena",
       "sort_by_last_name_label": "Zoradiť podľa priezviska",
       "sort_by_last_name_description": "Zoradiť zoznam kontaktov podľa priezviska, aby členovia rodiny boli pri sebe",
+      "show_directory_label": "Zobraziť adresár organizácie",
+      "show_directory_description": "Zobraziť účty a skupiny na poštovom serveri v Kontaktoch pod položkou „Adresár organizácie“",
       "group_by_letter_description": "Zobraziť abecedné záhlavia sekcií v zozname kontaktov",
       "import_label": "Importovať kontakty",
       "import_description": "Importovať kontakty zo súboru vCard (.vcf)",
diff --git a/locales/th/common.json b/locales/th/common.json
index 98dff5de8..403068356 100644
--- a/locales/th/common.json
+++ b/locales/th/common.json
@@ -5016,6 +5016,8 @@
       "group_by_letter_description": "แสดงส่วนหัวตามตัวอักษรในรายการผู้ติดต่อ",
       "sort_by_last_name_label": "เรียงลำดับตามนามสกุล",
       "sort_by_last_name_description": "เรียงลำดับรายชื่อผู้ติดต่อตามนามสกุลเพื่อให้บุคคลในครอบครัวเดียวกันอยู่ด้วยกัน",
+      "show_directory_label": "แสดงไดเรกทอรีกลาง",
+      "show_directory_description": "แสดงบัญชีและกลุ่มบนเซิร์ฟเวอร์อีเมลใต้ \"ไดเรกทอรีกลาง\" ในรายชื่อติดต่อ",
       "import_label": "นำเข้าผู้ติดต่อ",
       "import_description": "นำเข้าผู้ติดต่อจากไฟล์ vCard (.vcf)",
       "export_label": "ส่งออกผู้ติดต่อ",
diff --git a/locales/tr/common.json b/locales/tr/common.json
index 7110da678..c63f4351e 100644
--- a/locales/tr/common.json
+++ b/locales/tr/common.json
@@ -2572,6 +2572,8 @@
       "group_by_letter_label": "İlk harfe göre grupla",
       "sort_by_last_name_label": "Soyada göre sırala",
       "sort_by_last_name_description": "Aile üyeleri bir arada görünsün diye kişi listesini soyada göre sıralar",
+      "show_directory_label": "Dizini göster",
+      "show_directory_description": "Posta sunucusundaki hesapları ve grupları Kişiler altında \"Dizin\" bölümünde listeler",
       "group_by_letter_description": "Kişi listesinde alfabetik bölüm başlıkları göster",
       "import_label": "Kişileri İçe Aktar",
       "import_description": "Kişileri bir vCard (.vcf) dosyasından içe aktarın",
diff --git a/locales/uk/common.json b/locales/uk/common.json
index 7e9164679..61b0d0e54 100644
--- a/locales/uk/common.json
+++ b/locales/uk/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "Показувати алфавітні заголовки розділів у списку контактів",
       "group_by_letter_label": "Групувати за першою літерою",
       "sort_by_last_name_label": "Сортувати за прізвищем",
-      "sort_by_last_name_description": "Упорядкувати список контактів за прізвищем, щоб члени родини були поруч"
+      "sort_by_last_name_description": "Упорядкувати список контактів за прізвищем, щоб члени родини були поруч",
+      "show_directory_label": "Показувати довідник",
+      "show_directory_description": "Показувати облікові записи та групи поштового сервера в розділі «Довідник» у Контактах"
     },
     "calendar_management": {
       "delete_title": "Видалити календар?",
diff --git a/locales/zh-TW/common.json b/locales/zh-TW/common.json
index 1d61146b2..610c632c8 100644
--- a/locales/zh-TW/common.json
+++ b/locales/zh-TW/common.json
@@ -2579,6 +2579,8 @@
       "group_by_letter_label": "依首字分組",
       "sort_by_last_name_label": "依姓氏排序",
       "sort_by_last_name_description": "依姓氏排列聯絡人清單，讓家庭成員顯示在一起",
+      "show_directory_label": "顯示通訊錄目錄",
+      "show_directory_description": "在聯絡人的「通訊錄目錄」中列出郵件伺服器上的帳號與群組",
       "group_by_letter_description": "在聯絡人清單中顯示依字母排列的分節標題",
       "import_label": "匯入聯絡人",
       "import_description": "從 vCard（.vcf）檔案匯入聯絡人",
diff --git a/locales/zh/common.json b/locales/zh/common.json
index da51c1acf..08b15c91f 100644
--- a/locales/zh/common.json
+++ b/locales/zh/common.json
@@ -2582,7 +2582,9 @@
       "group_by_letter_description": "在联系人列表中显示按字母顺序排列的分节标题",
       "group_by_letter_label": "按首字母分组",
       "sort_by_last_name_label": "按姓氏排序",
-      "sort_by_last_name_description": "按姓氏排列联系人列表，使家庭成员显示在一起"
+      "sort_by_last_name_description": "按姓氏排列联系人列表，使家庭成员显示在一起",
+      "show_directory_label": "显示通讯录目录",
+      "show_directory_description": "在联系人的“通讯录目录”中列出邮件服务器上的账户和群组"
     },
     "calendar_management": {
       "delete_title": "删除日历?",
diff --git a/stores/settings-store.ts b/stores/settings-store.ts
index 395397c3a..aaa4edae0 100644
--- a/stores/settings-store.ts
+++ b/stores/settings-store.ts
@@ -633,6 +633,9 @@ interface SettingsState extends AccessibilitySettings {
   // Sort (and group) the contact list by surname instead of given name so
   // family members sit together (#963).
   sortContactsByLastName: boolean;
+  // The Directory entry in the Contacts sidebar (#1457). Autocomplete, the
+  // share dialog and free/busy use the directory either way.
+  showContactsDirectory: boolean;
 
   // Files: view, sort and icons (Settings > Files)
   filesSettings: FilesSettings;
@@ -939,6 +942,7 @@ const DEFAULT_SETTINGS = {
   // Contacts Display
   groupContactsByLetter: true,
   sortContactsByLastName: false,
+  showContactsDirectory: true,
 
   // Files
   filesSettings: DEFAULT_FILES_SETTINGS,
@@ -1349,6 +1353,7 @@ export const useSettingsStore = create<SettingsState>()(
           sharedCalendarColors: state.sharedCalendarColors,
           groupContactsByLetter: state.groupContactsByLetter,
           sortContactsByLastName: state.sortContactsByLastName,
+          showContactsDirectory: state.showContactsDirectory,
           filesSettings: state.filesSettings,
           expandedFilterView: state.expandedFilterView,
           showTimeInMonthView: state.showTimeInMonthView,