Your CD or DVD drive is not recognized by Windows or other programs
This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.
Change privacy settings in Windows - Microsoft Support
How to access and change the privacy settings in Windows 10 and 11.
Sort data in a range or table - Microsoft Support
How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Basic tasks for creating a PowerPoint presentation
Learn how to create a basic PowerPoint presentation with step-by-step guidance on Microsoft's support page.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Sign in to SharePoint - Microsoft Support
Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.
Applies To:
SharePoint in Microsoft 365
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
Change or set the default font in Outlook - Microsoft Support
Change or set the default font in Outlook to use whenever creating new messages.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016