Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Dictate your documents in Word - Microsoft Support
Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Import and export Outlook email, contacts, and calendar
Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2013, Outlook.com
What's new in Office 2021 - Microsoft Support
Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.
Applies To:
Office 2021, Office 2021 for Mac
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
从 Windows 电脑转换为显示器. 你可以以无线方式将电脑连接到电视、投影仪或支持 Miracast 的其他类型的外部显示器。
Configure Windows Hello - Microsoft Support
Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.
Setting up a wireless network in Windows - Microsoft Support
Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.
Turn Microsoft Defender Firewall on or off - Microsoft Support
Get the steps for turning Windows Defender Firewall on or off.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。
Get started with OneDrive (work or school) - Microsoft Support
Training: Watch and learn how to use OneDrive to upload, store, edit, and share your files.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows