Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
Securely browse the web in Microsoft Edge - Microsoft Support
With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.
退还从 Microsoft 购买的物品以进行换货或退款 - Microsoft 支持
了解如何接收从 Microsoft 购买的商品的退款或换货。
Applies To:
Microsoft account dashboard
Manage audio settings in Microsoft Teams meetings
To change your speaker, microphone, or camera settings in a Teams meeting or a call, go to Device settings.
Applies To:
Microsoft Teams
Enhance your security on the web with Microsoft Edge
Microsoft Edge offers two optional browsing modes—Balanced and Strict—for enhanced security to provide you with an extra layer of protection when browsing the web and unfamiliar sites.
Customize the Quick Access Toolbar - Microsoft Support
For more information about how to customize the ribbon, see Customize the ribbon in Office.. When custom groups show a green or blue ball on the Quick Access Toolbar. Icons represent custom groups of commands on the Quick Access Toolbar when an icon is chosen.
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, Project Online Desktop Client, 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, 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, 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, InfoPath 2013, SharePoint Workspace 2010
Common problems with two-step verification for a work or school account ...
This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).
将数字重置为“常规”格式 - Microsoft 支持
常规格式是 Excel 在键入数字时应用的默认数字格式。 大多数情况下，使用“常规”格式设置格式的数字的显示方式与键入方式一样。 但是，如果单元格的宽度不足以显示整个数字，则“常规”格式将舍入具有小数的数字。 “常规”数字格式还对较大的数字（12 位或更多）使用科学计数（指数 ...
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013
更改或重置 Internet Explorer 设置 - Microsoft 支持
更改 Internet Explorer 设置. 你可以在 Internet Explorer 中执行许多更改来自定义浏览体验。 若要查看所有设置和选项，请在桌面上Internet Explorer，选择"工具> Internet选项"。 重置 Internet Explorer 设置
How to enable JavaScript in Windows - Microsoft Support
This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.