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.

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 ...

Find the official Microsoft licensing terms for Xbox and gaming applications for mobile devices and iPads.

Xbox Support ... Xbox Support

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

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 The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Find everything you need to manage your Microsoft account, Xbox profile, and more.

找尋您需要了解的有關 Xbox 玩家代號的所有資訊。

To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

取得有關 Xbox Game Pass 的常見問題解答，包括方案差異、如何管理訂閱、遊戲可用性、家庭共享、多人遊戲存取及疑難排解提示。