If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

除了建议的短语，Outlook 还会显示建议，帮助你搜索来自最近收到电子邮件的一些联系人的邮件。 搜索概要 在搜索框中键入字词后，Outlook 会在电子邮件和许多类型的附件中搜索该字词或短语。 例如，如果搜索“想”（使用或不使用引号均可），Outlook 会返回包含 “想”、“想法”、“理想 ...

Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:

如果你遇到了无线显示器或无线扩展坞连接问题，请尝试以下操作以修复问题： 请确保你的 Windows 10 设备支持 Miracast。 下面介绍如何在电脑上检查：选择“开始” 按钮，键入“连接”，然后从结果列表中选择“连接”。 在“连接”应用中，文本将告知你 Windows 10 设备是否支持它。

If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.

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Select Close to acknowledge settings choices and go back to Device Manager.The webcam will now appear under the Cameras category in the Device Manager list.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Mit der Microsoft Authenticator-App können Sie sich bei Ihren Konten anmelden, wenn Sie die zweistufige Überprüfung verwenden.