FILTER function - Microsoft Support
How to use the FILTER function in Excel to filter a range of data based on criteria you define.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Office 2021 and Office LTSC for Windows and Mac FAQ
Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.
Applies To: Office 2021, Office 2021 for Mac
Suchen und Öffnen von Explorer - Microsoft-Support
Suchen und öffnen Sie Explorer in Windows 10 und Windows 11, und passen Sie den Schnellzugriff an, indem Sie Dateien und Ordner anheften und entfernen.
Insert or delete rows and columns - Microsoft Support
You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版,包括如何使用有效产品密钥或 Microsoft Store。
How to open Registry Editor in Windows 10 - Microsoft Support
There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.
Manage background activity for apps in Windows
Learn how to manage background activity for apps to help save battery power in Windows.
Troubleshooting offline printer problems in Windows
Find out how to change your printer's status from "offline" to "online" in Windows.
Windows 11 and Secure Boot - Microsoft Support
Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.
Manage drive space with Storage Sense - Microsoft Support
How to use Storage Sense to free up hard drive space on your Windows device.