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Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
Share OneDrive files and folders - Microsoft Support
Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Meet Windows 11: The basics - Microsoft Support
Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用,以在给定值之间进行逻辑比较。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Upgrade to Windows 11: FAQ - Microsoft Support
Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Manage devices used with your Microsoft account
Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.
Applies To: Microsoft account dashboard
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline. Unplug the network cable if you're using a wired network connection. Power off your console, and then unplug the power cord to ensure that the console is completely powered off.
Defragmentieren des Windows 10-PCs - Microsoft-Support
Defragmentieren des Windows 10-PCs. Wählen Sie das Konto aus, mit dem Sie sich anmelden möchten.
Comment se connecter et se déconnecter d’Outlook.com
Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.
Applies To: Outlook.com