获取最新 Windows 更新 - Microsoft 支持
若要检查更新，请选择“ 开始 > 设置 > Windows 更新 ”，然后选择“ 检查更新 ”。. 如果有可用的更新，可以选择安装它们。. 检查更新. 如果在更新设备时遇到问题（包括以前的主要更新出现问题），请参阅 排查更新 Windows 问题 中的常见修补程序。. 如果Windows ...
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
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
在 Windows 中使用 OneDrive 同步處理檔案 - Microsoft 支援服務
使用 OneDrive，您可以在您的電腦與雲端之間同步檔案，因此您可以隨時隨地取得檔案您的電腦，從您的電腦、行動裝置，甚至是透過位於 OneDrive.com 的 OneDrive 網站皆可。. 如果您在 OneDrive 資料夾中新增、變更或刪除檔案或資料夾，該檔案或資料夾也會在您的 ...
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...
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
PC で TPM 2.0 を有効にする - Microsoft サポート
2.0 未満の場合、お使いのデバイスは Windows 11 の要件を満たしていません。. オプション 2: Microsoft 管理コンソールを使用する. [ Windows ロゴ] + R キーを押すか、 [スタート] > [ファイル名を指定して実行] を選択します。. 「tpm.msc」と入力し (かぎかっこは含め ...
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
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
How to sign in to Hotmail - Microsoft Support
Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.
Applies To:
Outlook.com
在 Windows 10 中添加在启动时自动运行的应用 - Microsoft 支持
在 Windows 10 中添加在启动时自动运行的应用. 选择“ 开始 ”按钮 ，然后滚动查找你希望在启动时运行的应用。. 右键单击该应用，选择 “更多” ，然后选择 “打开文件位置” 。. 此操作会打开保存应用快捷方式的位置。. 如果没有“ 打开文件位置 ”选项，这 ...