Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
What does it mean when your OneDrive account is frozen?
Learn how to unfreeze your OneDrive account if it has been inactive over 12 months.
Applies To: Office for business, OneDrive (home or personal)
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Active content types in your files - Microsoft Support
Active content is additional functionality in a file or program, such as macros, add-ins, or data connections. This article lists types of active content that can be blocked by settings in Trust Center and which, when present in a document, cause display of the Message Bar when you open your file.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Set up the Microsoft Authenticator app as your verification method
Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.
Create a standard, private, or shared channel in Microsoft Teams
Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.
Applies To: Microsoft Teams
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.