Import or export text (.txt or .csv) files - Microsoft Support
To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
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 ...
Delete files or folders in OneDrive - Microsoft Support
You can delete specific files or photos on Microsoft OneDrive, or you can delete entire folders and all the items in them. If you need to, you might be able to restore deleted files from the OneDrive recycle bin.
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Check your Microsoft warranty and create service orders
Registering your Microsoft device. Before you can check your warranty or get service, you may need register your Surface or Xbox to your account.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Quick start: Create a macro - Microsoft Support
How to create, edit, and run Excel macros to automate data entry and tasks.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Recover lost files on Windows 10 - Microsoft Support
Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.
Zip and unzip files - Microsoft Support
This article explains how to zip and unzip files.
Windows メディア プレーヤー エラーのトラブルシューティング - Microsoft サポート
Windows Media Player のエラーをトラブルシューティングする方法について説明します。 Windows Media Player の一般的なヘルプについては、リソースを参照してください。
تنزيل Microsoft 365 أو Office 2021 وتثبيته أو إعادة تثبيته على جهاز ...
تعرف على كيفية تثبيت أو إعادة تثبيت أو تنشيط Microsoft 365 أو Office 2019 على كمبيوتر شخصي أو Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com