解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Set a duration for your status. When you want to change your status for a specific period of time—for example, to set Do not disturb for an hour of concentrated work—you can set a duration so that Teams will automatically reset your status at the end of the allotted time.. You can set durations for any status except Available.. Select your profile picture > current status > Duration.

如果新电脑上预安装了 Microsoft 365，则必须启动 Microsoft 365 家庭版 试用版或购买 Microsoft 365 才可继续使用 Microsoft 365。 注意: 如果正在 Windows 7 上运行 Microsoft 365(不再受支持，请参阅 Windows 7 终止支持和 Office )，则需要确保已默认启用 TLS 1.2。

If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Important: Steps may be different between new and classic Outlook for Windows. To determine which version of Outlook you're using, look for File on the ribbon.If there's no File option, follow the steps under the New Outlook tab. If the File option appears, select the tab for Classic Outlook.

檢查您的版本. DirectX 是許多 Windows 遊戲不可缺少的多媒體技術套件。 如果您的電腦未安裝正確版本的 DirectX (產品方塊會告知您所需的版本)，您的遊戲可能無法正常運作。

If you don't have meeting scheduling capability in Outlook or Teams, starting an instant meeting is a great option. Just like with scheduled meetings, everyone who attends your meeting will continue to have access to the meeting chat, the recording, and anything else people share in the meeting (like files and meeting notes), even after the meeting ends.

输入法工具栏. ime 支持名为 ime 工具栏 的 ui，它提供了一种快速调用特定 ime 函数的替代方法。 ime 工具栏是从语言栏续订的 ui。 若要打开 ime 工具栏，请长按 (或右键单击) 通知区域中的 ime 模式 图标，然后选择“ 显示/隐藏 ime 工具栏”。. 键盘快捷方式

Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.