你的备用电子邮件地址是否以 @outlook.com、@hotmail.com、@live.com 或 @msn.com 结尾？ 如果是，则你正使用一个 Microsoft 帐户验证另一个 Microsoft 帐户。

Create and send personalized email messages to everyone on your address list with mail merge.

Set up Discord with your Xbox console, the mobile app, or a PC browser app so you can use voice channels.

Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

Learn how to download new text-to-speech language and voices in Windows for Immersive Reader, Read Mode, and Read Aloud.

To ensure messages from known addresses or domains don't get moved to your Junk Email folder, add them to your safe senders list.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

在Outlook 中，可以为电子邮件创建一个或多个个性化签名。 签名可以包括文本、链接、图片和图像 (，例如手写签名或徽标) 。

如果你认为有人可能未经授权访问你的帐户，我们可以通过从所有受信任的设备注销来保护你。 在 24 小时内，你将注销浏览器、应用以及你的帐户用于登录的任何其他位置（Xbox 主机除外）。

Learn about the quotas and differences between Microsoft storage and email storage.