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Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
安装 Microsoft Defender - Microsoft 支持
通过安装 Microsoft Defender,保护 Android、iPhone、Mac 和 Windows 设备免受威胁。. 通过以下方式在设备上下载Microsoft Defender:. 扫描以下 QR 码. 在应用商店中搜索Microsoft Defender. 与设备共享,链接如下: 复制链接. 我们建议在每人至少五台设备上安装Microsoft Defender ...
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
如何使用电脑健康状况检查应用 - Microsoft 支持
如何打开电脑健康状况检查. 在 Windows 中,使用任务栏上的“搜索”来搜索“电脑健康状况检查”,然后从结果列表中选择它。. 如果电脑健康状况检查更新可用,则可以快速安装最新版本。. 如果未安装电脑运行状况检查,可以通过转到 https://aka.ms ...
Managing parental consent - Microsoft Support
Adding members to your family group. Visit family.microsoft.com to manage family members’ Microsoft accounts and learn more about Family Safety features. A parent or guardian’s permission may be required for a child to create a Microsoft account.
Applies To: Microsoft account dashboard
What happens if there's an unusual sign-in to your account
Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
February 13, 2024—KB5034765 (OS Builds 22621.3155 and 22631.3155)
Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765), might face issues during the update process. The installation might fail when the update's download reaches 96% of completion, and the device might roll back to the previous update installed. “Something didn’t go as planned.
Microsoft サポート/回復アシスタントについて - Microsoft サポート
重要: Microsoft サポートと回復アシスタントの機能は、ヘルプの取得に移行しています。移行が完了するまで、お客様は Microsoft サポートおよび回復アシスタント 内のこれらの機能に引き続きアクセスできます。
Applies To: Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin
OneDrive のファイルとフォルダーの共有 - Microsoft サポート
OneDriveにあるファイルは、共有するまでプライベートです。 [編集] アクセス許可を持つフォルダーを共有すると、共有 相手は自分の OneDriveに共有フォルダーを追加できることに注意してください。 この操作を行うと、対象のフォルダーを自分のフォルダーやアイテムと一緒に保管し、別 ...
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
激活 Office - Microsoft 支持
激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时,系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365,请参阅 激活新 Windows 设备上 ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365