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What is Microsoft 365? - Microsoft Support
Training: With a subscription to Microsoft 365, you get the latest apps like Microsoft Excel, Word and PowerPoint, storage, and updates.
Applies To: Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin
Form controls - Microsoft Support
How to user form controls in Excel to make data entry easier.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Firewall & network protection in Windows Security - Microsoft Support
Firewall & network protection in Windows Security lets you view the status of Microsoft Defender Firewall and see what networks your device is connected to.
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息,以及如何使用 Windows 的指南。
Install Visio or access Visio for the web - Microsoft Support
See how to install Visio 2013 and 2016 and Visio Pro for Microsoft 365.
Applies To: Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
CONCAT function - Microsoft Support
The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments.
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
Deinstallieren oder Entfernen von Apps und Programmen in Windows ...
Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.
Connect to a projector or PC - Microsoft Support
Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).
Holen Sie sich das neueste Windows-Update - Microsoft-Support
Wenn das neueste Windows-Update für Ihr Gerät bereit ist, steht es auf der Seite Windows Update unter Einstellungen zum Download zur Verfügung.