Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to redeem a Microsoft/Xbox gift card or other code or offer on your mobile device, Windows device, or Xbox console.

如何兌換禮品卡、Xbox 下載碼或代幣 Microsoft 和 Xbox 的禮品卡、下載碼和代幣運作方式相同：一旦兌換到你的 Microsoft 帳戶，你可以在 Microsoft Store 網路商店、Windows 或 Xbox 上使用餘額，並下載最新的應用程式、遊戲、電影和電視節目。 在大多數國家或地區，你也可以購買 Surface、Xbox 及配件。 要兌換 ...

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Learn how to redeem Xbox prepaid codes for games, subscriptions, and digital content, and enjoy endless surprises with your Xbox account.

了解如何在您的行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他優惠碼或優惠。

Some Xbox subscriptions can be extended. Find out more about what the limitations are in your country or region.

How to manage Kerberos KDC usage of RC4 for service account ticket issuance changes related to CVE-2026-20833

Get more information about managing your Xbox subscriptions, issues with billing, and more.

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