激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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
Save disk space with OneDrive Files On-Demand for Windows
When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Windows
Create workbook links - Microsoft Support
Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To:
Microsoft Teams
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Outlook help & learning
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content
Change the power mode for your Windows PC - Microsoft Support
Choose the power mode that works for you and what you want to do on your Windows 10 PC. This lets you determine what’s important to you—getting the best battery life, best performance, or a balance between the two.
Change privacy settings in Windows - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Why is my Internet connection so slow? - Microsoft Support
No matter how fast your Internet connection is, there are times when things will slow down to a crawl. This article will help you sort out what kinds of things can go wrong, learn what you can do about them, and discover how to get the most from your Internet connection.
“Microsoft 手机连接”和“连接至 Windows” 简介 - Microsoft 支持
自从我们在 2018 年 10 月首次宣布“你的手机”和“你的手机助手”应用以来，这是一个令人兴奋的旅程。 从那时起，我们就开始把所有重要的功能和内容从 Android 手机带到了 Windows 电脑。