Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Unplug the network cable from the back of your console. Inspect the cable’s connector and the Xbox console’s socket to make sure that they are clean and free of debris.

使用本文来查明到期状态。 查看“服务和订阅”标题下的详细信息。 如果看到圆圈箭头，那么订阅设置为周期性帐单，除非关闭周期性帐单或提前将其取消。 “下一次收费”信息将显示下一次收费时间以及将收取的费用。

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.

查看密件抄送收件人. 如果你是邮件的收件人，则无法查看发件人是否添加了 密件抄送 收件人。 只有邮件的发件人可以通过打开“已发送邮件”文件夹（默认情况下，该文件夹将存储所有已发送的邮件）中的邮件来查看“密件抄送”收件人的姓名。 在“已发送邮件”文件夹中，打开已发送的邮件。

按控制器上的 Xbox 按钮 打开导航页，然后转到“档案和系统”>“设置”>“帐户”>“订阅”。; 选择要管理的订阅。

您可以单独使用的 PowerPoint 演示文稿中提取的文件和视频、 图片或文档，如的对象。 若要执行此操作最简单的方法是打开该演示文稿到一个"压缩"文件。

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

View more Microsoft account help topics. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.