修复 Windows 中的声音或音频问题 - Microsoft 支持
首先在“获取帮助”应用中运行自动音频疑难解答。. “获取帮助”将自动运行诊断，并采取正确的步骤来解决大多数音频问题。. 打开“获取帮助”. 如果“获取帮助”应用无法解决声音或音频问题，请尝试列出的可能解决方案：. Windows 11 Windows 10. 1. 检查扬声器 ...
Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
画面の明るさを変更Windows - Microsoft サポート
タスク バーの右側 [アクション センター] を選択し、 [明るさ] スライダーを動かして明るさを調整します。 (スライダーがない場合は、 以下の「注」のセクションをご覧ください )。 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。
VLOOKUP 函数 - Microsoft 支持
参数名称. 说明. lookup_value （必需参数）. 要查找的值。 要查找的值必须位于 table_array 参数中指定的单元格区域的第一列中。. 例如，如果 table-array 指定的单元格为 B2:D7，则 lookup_value 必须位于列 B 中。. Lookup_value 可以是值，也可以是单元格引用。. Table_array （必需参数）
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Descargar e instalar o reinstalar Microsoft 365 u Office 2021 en un ...
¿Está preparado para instalar? Antes de empezar, asegúrate de que tu PC o Mac cumple los requisitos del sistema.. Si ya ha canjeado una clave de producto, simplemente va a reinstalar las aplicaciones o sabe que tiene una licencia asignada a través del trabajo o la escuela, puede ir directamente a la sección iniciar sesión para descargar e instalar Microsoft 365 u Office.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
فتح OneDrive وتحميل الملفات - دعم Microsoft
استخدام OneDrive في المستعرض. سجل دخولك إلى office.com وحدد OneDrive. انقر بزر الماوس الأيمن فوق ملف ، وحدد أمرا. استخدام OneDrive علي سطح المكتب. إذا كنت تستخدم Windows 10 ، فقد يطالبك OneDrive بالفعل بتسجيل الدخول ...
Applies To:
OneDrive (work or school)
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
如何在 Windows 中设置和测试麦克风 - Microsoft 支持
请确保麦克风已连接到电脑。. 选择 "开始 >设置> 系统 > 声音"。. 在 " 输入"中，选择要测试的麦克风。. 在 "输入设置 "中，查看 对 着麦克风说话时输入音量。. 如果在说话时移动栏，则你的麦克风将正常工作。. 如果未看到栏移动，请转到测试 麦克风， 然后 ...
对电池的关心Windows - Microsoft 支持
在命令提示符下，键入 powercfg /batteryreport ，然后按 Enter。. 电池报告将是存储在电脑上的文件夹中的 HTML 文件。. 文件位置将显示在"命令提示符"窗口中。. 打开文件资源管理器，转到报表保存到的文件夹，然后双击电池报表 (HTML) 以在 Web 浏览器中打开它。. 你 ...