使用文件共享、云服务或其他解决方案发送大型文件，以便在 Outlook 中解决文件大小限制。

You can use RTF when you send messages inside an organization that uses Microsoft Exchange, but we recommend that you use the HTML format. In fact, when you send an RTF message to someone outside your organization, Outlook automatically converts it to HTML, so the message keeps its formatting and its attachments.

Note: Invitee will receive a link to join via email. It will prompt them to sign into their Microsoft account to accept and join the family group. If they are under statutory age they will also be prompted to request adult consent.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

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public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

To enhance your Microsoft 365 experience in new Outlook for Windows, Outlook.com, Outlook for iOS, Outlook for Android, and new Outlook for Mac, you can now sync your non-Microsoft accounts (including their emails, contacts, and events) to the Microsoft Cloud.

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）。

排查添加帐户时的密码问题 忘记密码. 如果忘记了Microsoft帐户的密码，请使用我们的 登录帮助程序 重新进入你的帐户，或参阅 重置忘记的Microsoft帐户密码。. 如果忘记了工作或学校帐户的密码，请参阅使用安全信息重置工作或学校密码。. 你会收到有关应用密码的消息

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

使用本文来查明到期状态。 查看“服务和订阅”标题下的详细信息。 如果看到圆圈箭头，那么订阅设置为周期性帐单，除非关闭周期性帐单或提前将其取消。 “下一次收费”信息将显示下一次收费时间以及将收取的费用。