如何登录 Outlook 网页版 - Microsoft 支持
Outlook 网页版是组织使用的基于 Web 的 Outlook 版本。你需要使用工作或学校帐户登录才能访问此基于 Web 的 Outlook 版本。 你的工作或学校帐户通常由组织中的某人分配给你。
Applies To:
Office for business, Office 365 Small Business, Outlook on the web, Outlook on the web for Exchange Server 2016
Using product keys with Office - Microsoft Support
Answers to questions on finding, getting, and applying product keys.
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, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Back up your folders with OneDrive - Microsoft Support
Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.
关闭电脑，或使其进入睡眠或休眠状态 - Microsoft 支持
对于许多电脑（尤其是笔记本电脑和平板电脑），当你合上显示屏或按下电源按钮后，电脑就会进入睡眠状态。 若要将电脑设置为在关闭盖或按电源按钮时进入睡眠状态： 在 任务栏上选择"搜索"， 键入控制面板，然后从结果中选择它。
Windows 11中的自动颜色管理 - Microsoft 支持
创意专业人士和爱好者关心完全校准的准确颜色，因为它有助于确保颜色从项目开始到结束保持一致。 Windows 11中的自动颜色管理提供系统级别的颜色管理，以确保跨 Windows 应用的颜色在支持的显示器上准确且一致地显示，无论应用是否采用颜色管理。
Microsoft .NET Framework 4.8 on Windows 10 version 1709, Windows 10 ...
Introduction. This article describes an update for Microsoft .NET Framework 4.8 on Windows 10, version 1709, Windows 10, version 1803, Windows Server, version 1803, Windows 10, version 1809 and Windows Server, version 1809 and Windows Server 2019.
Change the email address or phone number for your Microsoft account
Learn how to change the email address or phone number that’s associated with your Microsoft account.
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
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.