Troubleshoot start up problems in Outlook. If Outlook is able to start in safe mode, then the problem is likely with one of your add-ins.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

症状. 当你离开家并使用家庭电子邮件帐户发送电子邮件时，你的电子邮件可能会返回并显示 550、553 或中继禁止的错误消息。

強力なパスワードの作成、安全なメールの特定、アカウントアクティビティの確認など、Microsoft アカウントを安全に保つ方法について説明します。

Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to download Microsoft Teams. Get Microsoft Teams with Microsoft 365 or download a free version of Teams.