Protecting players from marketplace theft and solicitation
Developers have made amazing games and content for the Xbox network. To protect customers and developers, we provide a safe and secure way to make purchases in the Microsoft Store. To maintain this security, Xbox monitors for instances of marketplace theft or solicitation from the Xbox community.
December 9, 2025—KB5071544 (OS Build 17763.8146)
Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: November 11, 2025—KB5068791 (OS Build 17763.8027) The following is a summary of the issues that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the change we are documenting. [PowerShell 5.1 ...
Digital signatures and certificates - Microsoft Support
Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Error 0x87e00196 occurs when you try to manage a game on Windows
If you see error code 0x87e00196, you'll need to reinstall your Gaming Services package. Find out how here.
NAT type on Windows displays "Teredo is unable to qualify"
What is Teredo? Select games like Forza Horizon 3 and 4 use a networking protocol called Teredo for multiplayer gaming on the Xbox network. Teredo is a networking protocol that's used to establish communications between clients and servers, and to facilitate connectivity between devices behind routers that use network address translation (NAT).
How to spot a "fake order" scam - Microsoft Support
A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...
Xbox 玩家代號常見問題集 | Xbox Support
找尋您需要了解的有關 Xbox 玩家代號的所有資訊。
在电脑和手持设备上从 Xbox 应用启动第三方游戏 | Xbox Support
借助电脑和手持设备上的 Xbox 应用,你可以启用从受支持的第三方平台安装的游戏显示在 Xbox 库中。 这使你可以从一个方便的位置查看和启动所有受支持的第三方游戏。
帮助赠送电子游戏或订阅作为礼品 | Xbox Support
获取将数字 Xbox 游戏或订阅作为礼品发送给他人时遇到的问题的帮助。
数字游戏购买退款条款 | Xbox Support
获取有关 Xbox 和 Microsoft Store 数字游戏购买退款条款和条件的详细信息。