Outlook データ ファイル (.pst および .ost) を修復する - Microsoft サポート
Outlook データ ファイルを開くことができない場合、またはファイルが破損していると思われる場合は、受信トレイ修復ツール (scanpst.exe) を使用してファイル内のエラーを修復します。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
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.
Solve PC problems remotely with Remote Assistance and Easy Connect
Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.
Back up your Windows PC - Microsoft Support
Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.
Find the settings/tools/internet options in Microsoft Edge
Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.
Uninstall Office from a PC - Microsoft Support
Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.
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
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.
Save or forget passwords in Microsoft Edge - Microsoft Support
Use Microsoft Edge settings to save user name and password information and save time when signing in to websites.
Add an email account to Outlook for Windows - Microsoft Support
Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Virus & threat protection in Windows Security - Microsoft Support
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.
Applies To:
Microsoft account dashboard