View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Update Windows - Microsoft Support
In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
修复 Office 应用程序 - Microsoft 支持
Windows 10 Windows 11. 访问修复工具的步骤因操作系统的不同而异。. 右键单击左下角) ( “开始” 按钮，然后在弹出菜单中选择“ 应用和功能 ”。. 选择要修复的 Microsoft Office 产品，然后选择“ 修改 ”。. 注意: 即使要修复的只是一个应用程序（如 Word 或 Excel），此 ...
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 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, 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 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 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, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
在 Excel 中搭配 AND、OR 和 NOT 函數使用 IF - Microsoft 支援服務
在 Excel 中，您也可以使用 AND、OR 及 NOT 來設定設定格式化的條件準則與公式選項。. 這麼做時可以省略 IF 函數，並單獨使用 AND、OR 及 NOT。. 在 Excel 的 [ 常用] 索引標籤上，單擊 [ 設定格式化的條件 > 新規則] 。. 接下來，請選取 [使用公式決定要格式化哪些儲存 ...
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, Excel Web App, Excel for Windows Phone 10
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
Open Control Panel in Windows - Microsoft Support
Open Control Panel in Windows. Windows 10. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings . Open Settings. Open Control Panel in Windows.
Outlook データ ファイル (.pst および .ost) の概要 - Microsoft サポート
Outlook データ ファイル (.pst) Outlook データ ファイル (.pst) には、コンピューター上に保存されているメッセージと Outlook のその他のアイテムが格納されます。. POP アカウントは、Xfinity や AT&T や Cox などのインターネット サービス プロバイダー (ISP) から電子 ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
修复阻止程序安装或删除的问题 - Microsoft 支持
如果你从 Microsoft Store 获得的应用程序有问题，请转到 修复来自 Microsoft Store 应用的问题 。. 当无法安装或删除程序时，程序安装和卸载故障排除程序可自动修复问题。. 它同时修复损坏的注册表项。. 首先，你需要下载故障排除程序。. 下载故障排除程序. 如果 ...
Find the settings/tools/internet options in Microsoft Edge
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