画面の明るさを変更Windows - Microsoft サポート
PC によっては、現在の照明の状態に基づいて Windows で自動的に画面の明るさを調整できます。. お使いの PC でこれをサポートしているかどうかを確認するには、 [設定] > [システム] > [ディスプレイ] を選択します。. [明るさ] を選択し、 [照明が変更された ...
获取有关你的 Microsoft 帐户的帮助 - Microsoft 支持
关闭定期计费. 退款帮助. 调查计费的费用. BitLocker 帮助. 查找 Windows 和 Office 的产品密钥. 有关工作或学校帐户密码的帮助. 我需要与客户支持代理联系. 了解如何获取 Microsoft 帐户帮助、解决登录问题、确保帐户安全以及管理 Microsoft 帐户仪表板。.
Applies To:
Microsoft account dashboard
Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
How to earn Microsoft Rewards points - Microsoft Support
Here are some of the ways you can earn Microsoft Rewards points: Search with Bing *. Search the web through the search box on the taskbar on your Windows 10/11 device. Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more ...
Applies To:
Microsoft account dashboard
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
在 Teams 作业中设置加权评分类别 - Microsoft 支持
在 Teams 作业中设置加权评分类别. 在Microsoft Teams 教育版中，默认情况下，成绩按总分除以可用最大分数计算。. 通过建立加权评分类别，教师可以将权重分配给不同类型的作业，以反映其重要性。. 重要: 对于使用评分类别的课堂，任何带分数的作业都必须具有 ...
Calculate the difference between two dates - Microsoft Support
Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.
Applies To:
Microsoft account dashboard
使用 Windows 照片应用管理照片和视频 - Microsoft 支持
选择“设置”，然后在“关于”部分下，选择“关于照片”。. 照片： 在设置的“关于”部分显示“更新”，即你正在运行新版本的“照片”应用。此版本包括左侧导航栏中的 iCloud 集成等功能。 此版本的 Windows 照片应用提供了一种方便且用户友好的方法来在 Windows 设备上 查看、 导入、 整理 ...
从 PC 卸载 Office - Microsoft 支持
卸载 Microsoft 365 的步骤取决于安装的类型。. 最常见的安装类型是“即点即用”和 Microsoft Windows Installer (MSI)。. 另一种类型是来自 Microsoft Store 应用的 Microsoft 365 安装。. 选择下方的“ 即点即用或 MSI ”或“ Microsoft Store ”选项卡，执行适用于你的安装类型的卸载 ...
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com