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Recover lost or deleted files - Microsoft Support
Learn how to recover files that have been lost, deleted, or accidentally changed.
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
Windows 11 をインストールする方法 - Microsoft サポート
[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。
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
Download Office language interface packs (LIP) - Microsoft Support
Download Office language interface packs (LIP) By pressing submit, your feedback will be used to improve Microsoft products and services.
Fix USB-C problems in Windows - Microsoft Support
Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.
Install a printer in Windows - Microsoft Support
Learn about installing and adding printers in Windows. In most cases, all you have to do to set up a printer is to connect it to your PC.
Getting ready for the Windows 11 upgrade - Microsoft Support
Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.
Use the Office offline installer - Microsoft Support
Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Media Feature Pack for Windows 10/11 N (September 2022)
Summary. This update provides support for media features in Windows 10/11 N. These include media-related technologies (Windows Media Player) and certain pre-installed media apps, such as Movies & TV, Voice Recorder, and Skype.