diff --git a/src/components/AppShell.test.tsx b/src/components/AppShell.test.tsx
index f402f60..b7ee66c 100644
--- a/src/components/AppShell.test.tsx
+++ b/src/components/AppShell.test.tsx
@@ -1,8 +1,12 @@
-import { render, screen } from "@testing-library/react";
-import { describe, expect, it } from "vitest";
+import { cleanup, fireEvent, render, screen } from "@testing-library/react";
+import { afterEach, describe, expect, it } from "vitest";
 import { AppShell } from "./AppShell";
 
 describe("AppShell", () => {
+  afterEach(() => {
+    cleanup();
+  });
+
   it("не показывает общую ленту навигации между приложениями", () => {
     const view = render(
       <AppShell activeApp="word" status={{ savedLabel: "Сохранено локально" }}>
@@ -37,4 +41,29 @@ describe("AppShell", () => {
     expect(screen.getByText("Число слов: 42")).toBeInTheDocument();
     expect(screen.getByText("125%")).toBeInTheDocument();
   });
+
+  it("отправляет команды панели быстрого доступа активному приложению", () => {
+    const commands: string[] = [];
+    function onCommand(event: WindowEventMap["qoffice-command"]) {
+      commands.push(event.detail.command);
+    }
+    window.addEventListener("qoffice-command", onCommand);
+
+    try {
+      const view = render(
+        <AppShell activeApp="word" status={{ savedLabel: "Сохранено локально" }}>
+          <div>Рабочая область QWord</div>
+        </AppShell>
+      );
+      const quickAccessButtons = view.container.querySelectorAll(".quick-access button");
+
+      fireEvent.click(quickAccessButtons[0]);
+      fireEvent.click(quickAccessButtons[1]);
+      fireEvent.click(quickAccessButtons[2]);
+
+      expect(commands).toEqual(["save", "undo", "redo"]);
+    } finally {
+      window.removeEventListener("qoffice-command", onCommand);
+    }
+  });
 });
diff --git a/src/components/AppShell.tsx b/src/components/AppShell.tsx
index 5f4c3e4..4a32e7e 100644
--- a/src/components/AppShell.tsx
+++ b/src/components/AppShell.tsx
@@ -6,7 +6,8 @@ import {
   Share2,
   Undo2
 } from "lucide-react";
-import type { ReactNode } from "react";
+import type { MouseEvent, ReactNode } from "react";
+import type { QOfficeCommand } from "../hooks/useQOfficeCommand";
 import type { AppId } from "../types";
 
 interface AppShellProps {
@@ -28,6 +29,14 @@ const appTitles: Record<AppId, string> = {
   mail: "Почта - QOutlook"
 };
 
+function dispatchQOfficeCommand(command: QOfficeCommand) {
+  window.dispatchEvent(new CustomEvent("qoffice-command", { detail: { command } }));
+}
+
+function keepActiveEditorFocus(event: MouseEvent<HTMLButtonElement>) {
+  event.preventDefault();
+}
+
 export function AppShell({ activeApp, status, children }: AppShellProps) {
   const statusClassName = ["statusbar", status.className].filter(Boolean).join(" ");
 
@@ -36,13 +45,13 @@ export function AppShell({ activeApp, status, children }: AppShellProps) {
       <main className="workspace">
         <header className="titlebar">
           <div className="quick-access" aria-label="Панель быстрого доступа">
-            <button type="button" title="Сохранить" aria-label="Сохранить">
+            <button type="button" title="Сохранить" aria-label="Сохранить" onMouseDown={keepActiveEditorFocus} onClick={() => dispatchQOfficeCommand("save")}>
               <Save size={16} />
             </button>
-            <button type="button" title="Отменить" aria-label="Отменить">
+            <button type="button" title="Отменить" aria-label="Отменить" onMouseDown={keepActiveEditorFocus} onClick={() => dispatchQOfficeCommand("undo")}>
               <Undo2 size={16} />
             </button>
-            <button type="button" title="Повторить" aria-label="Повторить">
+            <button type="button" title="Повторить" aria-label="Повторить" onMouseDown={keepActiveEditorFocus} onClick={() => dispatchQOfficeCommand("redo")}>
               <Redo2 size={16} />
             </button>
             <button type="button" title="Настроить панель" aria-label="Настроить панель">
diff --git a/src/global.d.ts b/src/global.d.ts
index c90dee2..e2479de 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -1,7 +1,7 @@
 export {};
 
 type DesktopOfficeFileKind = "docx" | "xlsx" | "pptx" | "eml" | "mail";
-type QOfficeDesktopCommand = "open" | "save" | "export-pdf" | "print";
+type QOfficeDesktopCommand = "open" | "save" | "export-pdf" | "print" | "undo" | "redo";
 
 interface DesktopOpenOfficeFileResult {
   canceled: boolean;
diff --git a/src/hooks/useQOfficeCommand.test.tsx b/src/hooks/useQOfficeCommand.test.tsx
index 79e8955..1fe235f 100644
--- a/src/hooks/useQOfficeCommand.test.tsx
+++ b/src/hooks/useQOfficeCommand.test.tsx
@@ -1,5 +1,5 @@
-import { render, waitFor } from "@testing-library/react";
-import { describe, expect, it, vi } from "vitest";
+import { cleanup, render, waitFor } from "@testing-library/react";
+import { afterEach, describe, expect, it, vi } from "vitest";
 import { useQOfficeCommand } from "./useQOfficeCommand";
 
 function CommandProbe({ onSave, onExportPdf }: { onSave: () => void; onExportPdf?: () => void }) {
@@ -8,6 +8,10 @@ function CommandProbe({ onSave, onExportPdf }: { onSave: () => void; onExportPdf
 }
 
 describe("useQOfficeCommand", () => {
+  afterEach(() => {
+    cleanup();
+  });
+
   it("вызывает обработчик команды QOffice", async () => {
     const onSave = vi.fn();
     render(<CommandProbe onSave={onSave} />);
@@ -39,4 +43,23 @@ describe("useQOfficeCommand", () => {
     await waitFor(() => expect(onExportPdf).toHaveBeenCalledTimes(1));
     expect(onSave).not.toHaveBeenCalled();
   });
+
+  it("использует команду документа для undo и redo без обработчика приложения", async () => {
+    const originalExecCommand = document.execCommand;
+    const execCommand = vi.fn();
+    Object.defineProperty(document, "execCommand", { configurable: true, value: execCommand });
+
+    try {
+      render(<CommandProbe onSave={vi.fn()} />);
+
+      window.dispatchEvent(new CustomEvent("qoffice-command", { detail: { command: "undo" } }));
+      window.dispatchEvent(new CustomEvent("qoffice-command", { detail: { command: "redo" } }));
+
+      await waitFor(() => expect(execCommand).toHaveBeenCalledWith("redo"));
+      expect(execCommand).toHaveBeenNthCalledWith(1, "undo");
+      expect(execCommand).toHaveBeenNthCalledWith(2, "redo");
+    } finally {
+      Object.defineProperty(document, "execCommand", { configurable: true, value: originalExecCommand });
+    }
+  });
 });
diff --git a/src/hooks/useQOfficeCommand.ts b/src/hooks/useQOfficeCommand.ts
index a7bd6c7..92fd51b 100644
--- a/src/hooks/useQOfficeCommand.ts
+++ b/src/hooks/useQOfficeCommand.ts
@@ -1,6 +1,6 @@
 import { useEffect, useRef } from "react";
 
-export type QOfficeCommand = "open" | "save" | "export-pdf" | "print";
+export type QOfficeCommand = "open" | "save" | "export-pdf" | "print" | "undo" | "redo";
 export type QOfficeCommandHandlers = Partial<Record<QOfficeCommand, () => void | Promise<void>>>;
 
 export function useQOfficeCommand(handlers: QOfficeCommandHandlers) {
@@ -16,6 +16,11 @@ export function useQOfficeCommand(handlers: QOfficeCommandHandlers) {
       const handler = handlersRef.current[command];
       if (handler) {
         void handler();
+        return;
+      }
+
+      if (command === "undo" || command === "redo") {
+        globalThis.document.execCommand?.(command);
       }
     }