diff --git a/packages/application-extension/src/index.ts b/packages/application-extension/src/index.ts
index ca5a9322df4..f81718c0178 100644
--- a/packages/application-extension/src/index.ts
+++ b/packages/application-extension/src/index.ts
@@ -690,7 +690,7 @@ const title: JupyterFrontEndPlugin<void> = {
       };
 
       commands.addCommand(CommandIDs.duplicate, {
-        label: () => trans.__('Duplicate'),
+        label: () => trans.__('Make a Copy…'),
         isEnabled,
         execute: async () => {
           if (!isEnabled()) {
diff --git a/packages/notebook-extension/src/index.ts b/packages/notebook-extension/src/index.ts
index e8b85315384..941de85fb12 100644
--- a/packages/notebook-extension/src/index.ts
+++ b/packages/notebook-extension/src/index.ts
@@ -47,6 +47,8 @@ import { Poll } from '@lumino/polling';
 
 import { Widget } from '@lumino/widgets';
 
+import { renameLabFileMenuItems } from './lab-menu-rename';
+
 import { TrustedComponent } from './trusted';
 
 /**
@@ -231,12 +233,12 @@ const checkpoints: JupyterFrontEndPlugin<void> = {
 };
 
 /**
- * Add a command to close the browser tab when clicking on "Close and Shut Down"
+ * Add a command to close the browser tab when clicking on "Close and Halt"
  */
 const closeTab: JupyterFrontEndPlugin<void> = {
   id: '@jupyter-notebook/notebook-extension:close-tab',
   description:
-    'Add a command to close the browser tab when clicking on "Close and Shut Down".',
+    'Add a command to close the browser tab when clicking on "Close and Halt".',
   autoStart: true,
   requires: [IMainMenu],
   optional: [INotebookTracker, ISettingRegistry, ITranslator],
@@ -277,8 +279,8 @@ const closeTab: JupyterFrontEndPlugin<void> = {
     commands.addCommand(id, {
       label: () =>
         promptForConfirmation
-          ? trans.__('Close and Shut Down Notebook…')
-          : trans.__('Close and Shut Down Notebook'),
+          ? trans.__('Close and Halt…')
+          : trans.__('Close and Halt'),
       execute: async () => {
         if (promptForConfirmation) {
           const fileName =
@@ -935,6 +937,8 @@ const overrideMenuItems: JupyterFrontEndPlugin<void> = {
         },
       });
     }
+
+    void app.restored.then(() => renameLabFileMenuItems(mainMenu, trans));
   },
 };
 
diff --git a/packages/notebook-extension/src/lab-menu-rename.ts b/packages/notebook-extension/src/lab-menu-rename.ts
new file mode 100644
index 00000000000..652d3691bd5
--- /dev/null
+++ b/packages/notebook-extension/src/lab-menu-rename.ts
@@ -0,0 +1,32 @@
+// Copyright (c) Jupyter Development Team.
+// Distributed under the terms of the Modified BSD License.
+
+import { IMainMenu } from '@jupyterlab/mainmenu';
+
+import { TranslationBundle } from '@jupyterlab/translation';
+
+/**
+ * Rename JupyterLab-defined File menu submenus to match Classic Notebook v6
+ * wording (jupyter/notebook#6398).
+ */
+export const renameLabFileMenuItems = (
+  mainMenu: IMainMenu,
+  trans: TranslationBundle
+): void => {
+  const renames: Array<{ submenuId: string; label: string }> = [
+    {
+      submenuId: 'jp-mainmenu-file-notebookexport',
+      label: trans.__('Download as'),
+    },
+  ];
+
+  const items = mainMenu.fileMenu.items;
+  for (const rename of renames) {
+    for (const item of items) {
+      if (item.type === 'submenu' && item.submenu?.id === rename.submenuId) {
+        item.submenu.title.label = rename.label;
+        break;
+      }
+    }
+  }
+};
diff --git a/ui-tests/test/menus.spec.ts b/ui-tests/test/menus.spec.ts
index 7959196a246..ba120098026 100644
--- a/ui-tests/test/menus.spec.ts
+++ b/ui-tests/test/menus.spec.ts
@@ -13,7 +13,7 @@ const NOTEBOOK = 'empty.ipynb';
 const MENU_PATHS = [
   'File',
   'File>New',
-  'File>Save and Export Notebook As',
+  'File>Download as',
   'Edit',
   'View',
   'Run',
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-chromium-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-chromium-linux.png
index 67223a1df3b..69f43eea78e 100644
Binary files a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-chromium-linux.png and b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-chromium-linux.png differ
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-save-and-export-notebook-as-chromium-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-download-as-chromium-linux.png
similarity index 100%
rename from ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-save-and-export-notebook-as-chromium-linux.png
rename to ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-download-as-chromium-linux.png
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-download-as-firefox-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-download-as-firefox-linux.png
new file mode 100644
index 00000000000..c4401621e3f
Binary files /dev/null and b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-download-as-firefox-linux.png differ
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png
index 3d16b71b20d..4cddeba9394 100644
Binary files a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png and b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png differ
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-new-firefox-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-new-firefox-linux.png
index b0a012c8167..c1925c463af 100644
Binary files a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-new-firefox-linux.png and b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-new-firefox-linux.png differ
diff --git a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-save-and-export-notebook-as-firefox-linux.png b/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-save-and-export-notebook-as-firefox-linux.png
deleted file mode 100644
index 61bb2f4a671..00000000000
Binary files a/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-save-and-export-notebook-as-firefox-linux.png and /dev/null differ
diff --git a/ui-tests/test/notebook.spec.ts b/ui-tests/test/notebook.spec.ts
index 887bc72619c..cd5e62b87c6 100644
--- a/ui-tests/test/notebook.spec.ts
+++ b/ui-tests/test/notebook.spec.ts
@@ -156,7 +156,7 @@ test.describe('Notebook', () => {
     expect(await panel.screenshot()).toMatchSnapshot(imageName);
   });
 
-  test('Clicking on "Close and Shut Down Notebook" should close the browser tab', async ({
+  test('Clicking on "Close and Halt" should close the browser tab', async ({
     page,
     tmpPath,
   }) => {