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View hidden files and folders in Windows - Microsoft Support
Learn how to show hidden files, folders, and drives in Windows.
Change your app recommendation settings in Windows
Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.
Zip and unzip files - Microsoft Support
Combine several files into a single compressed folder to save storage space or to share them more easily.
Getting started in Microsoft Teams (free) - Microsoft Support
Get started in Microsoft Teams (free). If you're just getting started, use the articles below to get yourself, friends, and family started on Microsoft Teams for personal use.
Applies To: Microsoft Teams, Microsoft Teams personal
COUNTIF function - Microsoft Support
How to use the COUNTIF function in Excel to count the number of cells that meet values you set.
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
Seamlessly transfer content between your devices
Learn how to use drag and drop to transfer content between your Android device and PC.
Use Magnifier to make things on the screen easier to see
Learn how to make items on the screen appear larger by using Magnifier in Windows.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
如果你正在使用 Windows 电脑,并且想要在电脑设备上显示来自其他屏幕的应用程序和内容,则需考虑将设备屏幕镜像或投影到 ...
Use Microsoft Translator in Microsoft Edge browser
Learn how to use Microsoft Translator in the Edge browser to translate webpages.
Applies To: Microsoft Edge
更新到新Microsoft Edge - Microsoft 支持
如果我的设备上没有管理员权限,该怎么办? 若要完全升级到新的 Microsoft Edge,必须使用管理员帐户登录到设备。