Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures. Select the signature you want to edit, and then make your changes in the ...

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 ...

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

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。

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

附註: 請注意，Surface 商務裝置的支援案件只能在 線上 發起。 關於大量授權支援，請打開Microsoft 365 系統管理中心，選擇 支援 & 幫助，搜尋「管理大量授權」或提交 線上支援請求。 別忘了附上你的執照編號或協議號碼、聯絡電話 & 電子郵件地址，讓我們能與你聯繫。 如果您已有大量授權支援案件 ...