Windows でアプリとプログラムをアンインストールまたは削除する - Microsoft サポート
マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。
Free up space for Windows updates - Microsoft Support
Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.
User account access in Windows - Microsoft Support
Signing in to Windows refers to the process of verifying your identity to gain access to your Windows device. This process helps protect your personal information and settings from unauthorized access.
How to back up and restore the registry in Windows
Explains how to back up the registry for restoration in case it gets corrupted in Windows 10, Windows 8.1, Windows 8, or Windows 7.
Remove hidden data and personal information by inspecting documents ...
When you share copies of Microsoft 365 document files with clients or colleagues, it's a good idea to review the document for hidden data or personal information and remove it.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Visio Professional 2016, Visio Standard 2016, Office 2016
Reduce the size of your mailbox and Outlook Data Files (.pst and .ost)
Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Use Microsoft Query to retrieve external data
Using Microsoft Query, you can connect to external data sources, select data from those external sources, import that data into your worksheet, and refresh the data as needed to keep your worksheet data synchronized with the data in the external sources.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Download language pack for speech - Microsoft Support
Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.
How do I turn on AutoSave? - Microsoft Support
Learn how to AutoSave your files to OneDrive with Excel, PowerPoint or Word.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Control your Dynamic Lighting devices in Windows
If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting.. When connected, compatible devices will show up as cards along the top of the page.