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These viewers can open protected text files, protected image files, protected PDF files, and all files that have a .pfile file name extension on Windows, Android, or iOS.

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

要通过 Web 浏览器启用 iOS 设备的通过手机网络玩游戏功能，请转到设备的网络设置、关闭 Wi-Fi 并打开手机网络数据。 注意玩家需自行承担与自己数据相关的费用，并根据每月运营商的限制监控自己游戏中所有数据的使用情况。

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Learn how to manage storage for Xbox cloud gaming, including tips on optimizing space and accessing games efficiently.

Some work and school accounts have additional security requirements before you can use Outlook for iOS. If you're not sure which of these situations applies to your work or school account, talk to your Microsoft 365 admin.

从 2025 年 3 月 19 日开始，不再支持适用于移动设备的 Xbox Game Pass。 获取有关其他设备上的云游戏的详细信息。

Note Outlook accepts a wide variety of different file types, but blocks potentially unsafe attachments (including .bat, .exe, .vbs, and .js files) that can contain viruses. Even with Outlook attachment protection, be careful in opening any attachment, especially if it's from someone that you don't know or trust. When in doubt, confirm the authenticity of the attachment with the sender. Also ...

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