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Back up your folders with OneDrive - Microsoft Support
Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Applies To: OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Returning items you bought from Microsoft for exchange or refund
Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund. For detailed info about return and refund policies, see Microsoft Terms of Sale.
Applies To: Microsoft account dashboard
失われたファイルまたは削除されたファイルを回復する - Microsoft サポート
コンピューター上のファイルが見つからなくなった場合、または誤ってファイルを変更または削除してしまった場合でも、バックアップから復元 (Windows バックアップを使用している場合) したり、以前のバージョンから復元を試みることができます。以前のバージョンとは、復元ポイントの一部 ...
Encrypt email messages - Microsoft Support
When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Sign in using Microsoft Authenticator - Microsoft Support
Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.
Microsoft Bing help - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
设置适用于 Windows 的 Xbox 无线适配器 | Xbox Support
拥有适用于 Windows 10 的 Xbox 无线适配器? 了解如何在任何 Windows 10/11 设备上设置它。 如果你有适用于 Windows 的 Xbox 无线适配器,我们还可以为你展示如何在任何 Windows 10/11、笔记本电脑或台式电脑上设置它。
KB4023057: Update Health Tools—Windows Update Service components
If your device isn't regularly receiving quality updates, because of low disk space or have low activity, this may prevent the device from installing the Update Health Tools. If you currently don't have the client installed, you can then try triggering a normal Windows Update scan.
Obtener la actualización más reciente de Windows
Los dispositivos Windows pueden obtener nuevas funciones en diferentes momentos, ya que Microsoft ofrece actualizaciones no relacionadas con la seguridad, correcciones, mejoras y mejoras a través de varias tecnologías de mantenimiento, incluida la implementación controlada de funciones (CFR). Windows te avisará si necesitas reiniciar el dispositivo para completar una actualización y ...
更改屏幕亮度(Windows - Microsoft 支持
如果你没有台式电脑并且滑块未显示或不起作用,请尝试更新显示驱动程序。 在任务栏上选择"搜索",键入"设备管理器",然后从结果列表中选择"设备管理器"。在"设备管理器"中,选择"显示适配器",然后选择显示适配器。长按 (或右键) 显示适配器名称,然后选择"更新驱动程序"并按照说明操作。