Contatta il Supporto tecnico Microsoft. Trova soluzioni a problemi comuni, oppure ottieni assistenza da un operatore del supporto.

If you travel often, your new locations may show as unusual activity. To travel without disruptions or alerts, we recommend using Microsoft Authenticator to sign in.. If you get an email about unusual activity and you're not sure if it's from Microsoft, you can safely sign in to your Microsoft account any time without clicking links in the email.

锂电池随着时间的推移而磨损，这可能导致电池只要是新电池就不能保持充电。 始终将电池充电至 100% 可能会导致电池变坏得 ...

选择“家庭”，然后选择要管理的帐户下的“更多选项”。 选择“从家庭组中删除”，然后按照屏幕上的说明进行操作。 删除成员后，选择“添加家庭成员”，输入其电子邮件地址，然后选择“下一步”。 选择“组织者”>“下一步”>“邀请”。

Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.

Check the Xbox services, games, and apps for any service outages.

Reputation-based protection. Reputation-based protection leverages what Microsoft knows about various sites, services, and publishers, as well as threats we've seen in action to help protect you from malicious or potentially unwanted apps, files, or websites.

如果Microsoft 365 应用程序（如 Word 或 Excel）无法正常工作，有时重启会解决问题。 如果这不起作用，你可以尝试修复它。 完成后，你可能需要重新启动计算机。

Ottieni assistenza e supporto per Microsoft Edge. Trova i contenuti di supporto Microsoft Edge, nonché articoli pratici, esercitazioni e altro ancora.

检查 Xbox 服务、游戏和应用是否有任何服务中断。