Enable TPM 2.0 on your PC - Microsoft Support
Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.
修复 Office 应用程序 - Microsoft 支持
选择要修复的 Microsoft Office 产品，单击省略号，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），此操作仍将修复整个 Office 套件。
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
Windows 中的用户帐户访问 - Microsoft 支持
本文介绍 Windows 中的登录、注销、锁定和切换用户帐户操作。 展开以下部分以了解详细信息。
Hardware warranty, services, and repair
Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.
Quick Start Guides for Windows 10, Surface Book, and Microsoft Edge
Quick start guides about Windows 10 (including Windows Defender, printing, maps, photos), Surface Book, and Microsoft Edge.
OneDrive video training - Microsoft Support
OneDrive for Business provides one place to store, share and sync your work or school files.
Applies To:
Office for business, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
REPLACE、REPLACEB 函数 - Microsoft 支持
本文介绍 Microsoft Excel 中 REPLACE 和 REPLACEB 函数的公式语法和用法。. 说明. 根据指定的字符数，REPLACE 将部分文本字符串替换为不同的文本字符串。 REPLACEB 使用其他文本字符串并根据所指定的字节数替换某文本字符串中的部分文本。
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
Account help
Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.
GroupMe help & learning
Get help with your questions about using GroupMe with our how-to articles and support content.
Format an Excel table - Microsoft Support
Format an Excel table by applying different table styles or colors.
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 2013