Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to install Office 2013 on your PC or Office for Mac 2011.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Upgrade to Windows 11: FAQ - Microsoft Support
An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.
Device protection in Windows Security - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
修复 Windows 中的声音或音频问题 - Microsoft 支持
修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机
Troubleshoot Outlook email setup - Microsoft Support
Learn how to troubleshoot and fix problems setting up your email in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。
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
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
Share OneDrive files and folders - Microsoft Support
Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Sign in to SharePoint - Microsoft Support
In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.
Applies To:
SharePoint in Microsoft 365
Add flair to your email with emojis - Microsoft Support
Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016