Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
在 Windows 上安装移动应用和Amazon Appstore - Microsoft 支持
若要在Windows 11电脑上使用移动应用,需要安装Amazon Appstore。 设置完成后,你将能够浏览和安装精选目录中的移动应用。
Gérer l’activité en arrière-plan des applications dans Windows
Certaines applications vous permettent de gérer l’activité en arrière-plan, ce qui détermine ce qu’elles peuvent faire lorsqu’elles sont en arrière-plan et ne sont pas activement utilisées.
Obtenir le Lecteur Windows Media - Support Microsoft
Si vous souhaitez réinstaller le Lecteur Windows Media, essayez ce qui suit : Cliquez sur le bouton Démarrer , tapez fonctionnalités, puis sélectionnez Activer ou désactiver des fonctionnalités Windows.
Update Windows - Microsoft Support
Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.
Present your data in a Gantt chart in Excel - Microsoft Support
Need to show status for a simple project schedule with a Gantt chart? Though Excel doesn’t have a predefined Gantt chart type, you can simulate one by customizing a stacked bar chart to show the start and finish dates of tasks, like this:
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Install Office 2010 - Microsoft Support
You can also use the keyboard to browse through features and change feature options. Use the UP ARROW and DOWN ARROW keys to select features. Use the RIGHT ARROW key to expand a feature that contains one or more sub-features.
Applies To: Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010, Office 2010, Office.com
Project help & learning
Get Microsoft Project help and training content. Find training courses, support, and additional resources for Microsoft Project.
View previous versions of Office files - Microsoft Support
Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.
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, 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
SUBSTITUTE 函数 - Microsoft 支持
本文介绍 Microsoft Excel 中 SUBSTITUTE 函数的公式语法和用法。. 说明. 在文本字符串中用 new_text 替换 old_text。 如果需要在某一文本字符串中替换指定的文本,请使用函数 SUBSTITUTE;如果需要在某一文本字符串中替换特定位置处的任意文本,请使用函数 REPLACE。
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
Ändern der Tastaturbelegung - Microsoft-Support
Wischen Sie vom rechten Rand des Bildschirms nach innen, tippen Sie auf Einstellungen, und tippen Sie dann auf PC-Einstellungen ändern. (Wenn Sie eine Maus verwenden, zeigen Sie auf die rechte untere Bildschirmecke, bewegen Sie den Mauszeiger nach oben, klicken Sie auf Einstellungen, und klicken Sie anschließend auf PC-Einstellungen ändern.)