Microsoft 支持
使用高级 Copilot 体验增强你的创造力和生产力。. 下载 Copilot 应用，免费试用 1 个月的 Copilot Pro。. 获取 Copilot 应用. Copilot Pro 入门. Microsoft 支持可帮助你处理 Microsoft 产品的问题。. 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和 ...
ワークシート内の改ページを挿入、移動、削除する - Microsoft サポート
重要: ワークシート内の別の場所に改ページをドラッグできるようにするには、セルのドラッグ アンド ドロップ機能が有効になっていることを確認してください。この機能が有効になっていない場合、改ページを移動できない可能性があります。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Recover lost or deleted files - Microsoft Support
Recover lost or deleted files. Windows 7. Note: If you've recently updated Windows 10 and are having problems finding files, see Find lost files after the upgrade to Windows 10. If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try ...
Get help with Windows upgrade and installation errors
To upgrade to Windows 11, you need enough space on your hard drive for the installation to take place. To view how much hard drive space is available on your computer, select File Explorer on the taskbar (known as Windows Explorer in Windows 7) or press Windows logo key + E. Then select Computer or This PC and look under Hard Disk Drives or under Devices and drives.
Fonction SI – Utiliser des formules imbriquées et éviter les pièges
Plusieurs fonctions SI peuvent être imbriquées pour utiliser plusieurs critères. L’instruction de la fonction Excel SI permet d’effectuer une comparaison logique entre une valeur et une hypothèse en testant une condition et en renvoyant un résultat Vrai ou Faux.
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
SUMPRODUCT function - Microsoft Support
Here, the formula is: =SUMPRODUCT ( (B2:B9=B12)* (C2:C9=C12)*D2:D9). It first multiplies the number of occurrences of East by the number of matching occurrences of cherries. Finally, it sums the values of the corresponding rows in the Sales column. To see how Excel calculates this, select the formula cell, then go to Formulas > Evaluate Formula ...
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
Скачивание и установка или повторная установка Office 2019, Office 2016 ...
Переустановите Microsoft 365. Если Microsoft 365 уже был изначально установлен и вам необходимо переустановить его на том же или новом устройстве, у вас уже должна быть учетная запись Майкрософт, связанная с вашей копией Microsoft 365.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Manage devices used with your Microsoft account
Download Microsoft Edge from the Apple App Store and sign in with your Microsoft account.
Applies To:
Microsoft account dashboard
Create a presentation in PowerPoint - Microsoft Support
Create a presentation. Open PowerPoint. In the left pane, select New. Select an option: To create a presentation from scratch, select Blank Presentation. To use a prepared design, select one of the templates. To see tips for using PowerPoint, select Take a Tour, and then select Create, . Add a slide.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
如果运行的是 Windows 10、Windows 8.1 或 Windows 8，请先运行收件箱部署映像服务和管理 (DISM) 工具，然后再运行系统文件检查器。. (如果运行的是 Windows 7 或 Windows Vista，请跳到步骤 3.) 键入以下命令，然后按 Enter： 完成命令操作可能需要几分钟时间。. DISM.exe /Online ...