To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

如果您購買了 Microsoft 365 應用程式的獨立版本，例如 Visio 或 Word，在大部分情況下，您會以安裝 Microsoft 365或 Office 套件的方式安裝此應用程式，方法是使用 Microsoft 帳戶登入 m365.cloud.microsoft/apps ，或 公司或學校帳戶 ，然後針對獨立產品選取 [安裝]。

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Xbox Support 提供 Xbox、Game Pass 及帳單問題的協助，並在社群中取得建議與客戶服務。

您可以購買方案，或者如果您想要在沒有訂閱的情況下使用行動裝置 App，請點選 [稍後 再點選]。 請注意，如果您使用 Microsoft 365 訂閱，就可以存取 進階版功能 。 步驟 3：

了解如何解決嘗試從 Microsoft Store 購物時 Xbox 購買錯誤。

我可以在哪裡管理我的 Microsoft 365 訂閱？

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

Several Microsoft 365 apps have versions available for Windows Mobile, iOS, and Android devices. For more information about the apps, see Microsoft 365 for Mobile.