Use Microsoft Authenticator with Microsoft 365
Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!
Applies To:
Office for business, Microsoft 365 admin
Calculate the difference between two times - Microsoft Support
There are several ways to calculate the difference between two times.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Help protect my PC with Microsoft Defender Offline
Learn how to use Microsoft Defender Offline to help remove malicious software and other potential threats.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
External or guest sharing in OneDrive, SharePoint, and Lists
Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.
Applies To:
Microsoft Lists, OneDrive (work or school), OneDrive for Mac, OneDrive for Windows
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
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。
Applies To:
Outlook.com
Verwendung von Remotedesktop - Microsoft-Support
Hinweis: Während auf einem Remotedesktopserver (dem PC, zu dem Sie eine Verbindung herstellen) eine Pro Edition von Windows ausgeführt werden muss, kann auf einem Clientcomputer (dem Gerät, von dem aus Sie eine Verbindung herstellen) eine beliebige Edition von Windows (Pro oder Home) oder sogar ein anderes Betriebssystem ausgeführt werden.
Protect my PC from viruses - Microsoft Support
Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.
How to perform a clean boot in Windows - Microsoft Support
Describes how to use the clean boot process to troubleshoot a problem in Windows 8.1, Windows 8, Windows 7, or Windows Vista.