KB5001716: Update for Windows Update Service components
Notes about this update. When this update is installed, Windows may attempt to download and install feature updates to your device if it is approaching or has reached the end of support for your currently installed Windows version.
Install Skype for Business - Microsoft Support
Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com, Skype for Business, Skype for Business Basic, Skype for Business for Android, Skype for Business for iPad, Skype for Business for iPhone, Skype for Business for Mac, Skype for Business for Windows Phone, Skype for Business Online
PowerPoint for Windows training - Microsoft Support
Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, Office for business
Microsoft Edge for mobile FAQs - Microsoft Support
Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.
Office Help & Training
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Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
修复 Windows 中的 USB-C 问题 - Microsoft 支持
学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。
Insert ASCII or Unicode Latin-based symbols and characters
Learn how to insert ASCII or Unicode characters using character codes or the Character Map.
Applies To:
Excel for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Publisher for Microsoft 365, Excel 2021, Outlook 2021, PowerPoint 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Outlook 2019, PowerPoint 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
Your account settings are out-of-date in Mail or Calendar for Windows ...
Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.
Applies To:
Calendar for Windows 10, Mail for Windows 10
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.