Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or 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
KB5005463— PC 正常性チェック アプリケーション - Microsoft サポート
重要 既定では、PC Health Check アプリケーションを開くと、重要なアプリケーション更新プログラムが使用可能になると、自動的にインストールされます。 PC Health Check ユーザーは自動更新を無効にできません。 [アプリ>アプリ&機能] > [アプリの一覧] (Windows PC 正常性チェック) > [アンインストール ...
Hotmail にサインインする方法 - Microsoft サポート
Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。
Applies To:
Outlook.com
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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, Excel Web App, Excel for Windows Phone 10
Import photos and videos from an iPhone to PC - Microsoft Support
Get the steps for how to transfer photos and videos from your iPhone to your PC.
Track your order from Microsoft Store - Microsoft Support
Learn how to track shipping and pending orders from Microsoft Store. You can use account.microsoft.com to track orders from Microsoft Store.
Get started with SharePoint - Microsoft Support
Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.
Applies To:
SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Office 365 Small Business, Microsoft 365 admin, SharePoint Foundation 2013, SharePoint in Microsoft 365 Small Business
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Repair apps and programs in Windows - Microsoft Support
You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.
Connect your Windows PC to an external display that supports Miracast ...
Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast.