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.
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
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 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 Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
更改 Excel 中的列宽或行高 - Microsoft 支持
移动或复制单元格和单元格内容 文章; 更改 Excel 中的列宽或行高 文章; 查找或替换工作表上的文本和数字 文章; 合并和撤消合并单元格
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
Install, manage, or uninstall apps in Microsoft Edge
Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.
Applies To: Microsoft Edge
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
Crear medios de instalación de Windows - Soporte técnico de Microsoft
Aprende a crear medios de instalación para instalar o reinstalar Windows 7, Windows 8.1 o Windows 10.
Windows 键盘快捷方式 - Microsoft 支持
了解常见键盘Windows,包括复制、剪切、粘贴、最大化窗口等。
Fix problems with the Start menu - Microsoft Support
Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.
View your data on the privacy dashboard - Microsoft Support
Learn how to use the privacy dashboard in your Microsoft account and manage your privacy settings for products you use.
Applies To: Microsoft account dashboard