摘要 Email签名在业务通信中创造专业一致性，并确保收件人在每封邮件中都有你的联系信息。 在Outlook 中，可以设置多个签名， (内部与外部、个人与业务) 的不同用途，并选择是自动将其包含在新的电子邮件、答复还是转发中。 签名可以包括文本、链接、图片和图像 (，例如手写签名或徽标 ...

了解如何註冊您的 Xbox 產品，以便您要求和追蹤維修服務、查看您的保固服務，以及購買延長保修計劃。 還有取消註冊和取消 ...

Windows 11, version 26H1 enables the next generation of silicon¹ and hardware innovation, making it possible for the PC ecosystem to bring you Windows devices with exceptional performance and battery life. Windows 11, version 26H1 includes the same features introduced with the Windows 11 2025 Update (also known as Windows 11, version 25H2). It is not designed to be offered or installed on ...

了解如何管理 Xbox 訂閱及解決帳單問題，獲取詳細資訊以輕鬆處理相關事務。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

The list of devices that follows is not exhaustive. Other devices may or may not work for cloud gaming.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

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