在Outlook中，你可以為電子郵件建立一個或多個個人化簽名。 你的簽名可以包含文字、連結、圖片和圖片 (，例如你的手寫簽名或標誌) 。

找尋您需要了解的有關 Xbox 玩家代號的所有資訊。

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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

Learn how to change your gamerpic, including how to upload a customized image for your profile from your Xbox console.

Check the Xbox services, games, and apps for any service outages.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

Microsoft Support

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

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To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have?