Find out how to submit a request for a refund for a purchase of digital Xbox content.

連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

需要 Xbox 主機、Xbox 遊戲或 Xbox 網路的協助嗎? 了解如何與我們連絡。

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

Learn how to request refunds for Xbox purchases and manage your orders effectively with step-by-step guidance.

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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 ...

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

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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