Windows 中的恢复选项 - Microsoft 支持
如果你打算捐赠、回收或出售你的电脑，请使用此选项。 这可能需要一或两个小时的时间，但也会让其他人难以恢复你删除的文件。 关闭数据擦除仅删除文件。 此设置花费的时间较少，但安全性较低。 数据擦除功能面向消费者，不符合政府和行业数据擦除标准。
RAND function - Microsoft Support
=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.
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
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
Windows 11 and Secure Boot - Microsoft Support
Published August 2021. This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable.
Konfigurieren von Windows Hello - Microsoft-Support
Wichtig: Die Anmeldung mit Ihrem Gesicht erfordert eine Hello-kompatible Kamera. Wenn Sie sich mit Ihrem Fingerabdruck anmelden, muss Ihr Gerät über einen Fingerabdruckleser verfügen. Wenn Ihr Gerät nicht mit einem dieser Geräte geliefert wurde, können Sie ein Gerät kaufen, das über USB bei einer Reihe von beliebten Einzelhändlern mit Ihrem Gerät verbunden werden kann.
Access your Account Privacy Settings - Microsoft Support
The exception to this is if you turn off the setting that disables all non-essential connected experiences. The service that roams your privacy settings across devices is also turned off by that switch, so when that setting is off your settings will not roam to, or from, that particular device.
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, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Skype for Business
Configurer Windows Hello - Support Microsoft
Windows Hello est un moyen plus personnel et plus sécurisé de se connecter à votre appareil Windows. Au lieu d’utiliser un mot de passe, avec Windows Hello, vous pouvez vous connecter à l’aide de la reconnaissance faciale, de l’empreinte digitale ou d’un code confidentiel.
Ayuda y formación de vínculo con el Teléfono
Busque contenido de ayuda y soporte técnico para Enlace Móvil de Microsoft. Obtenga sugerencias para ahorrar tiempo y explore cómo puede usar Enlace Móvil para mantener la productividad.
我无法登录到我的Microsoft帐户 - Microsoft 支持
如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
Frequently asked questions: AI, Microsoft Copilot, and Microsoft ...
Microsoft Copilot is an AI-powered digital assistant designed to help users with a range of tasks and activities on their devices. It can create drafts of content, suggest different ways to word something you've written, suggest and insert images, create PowerPoint presentations from your Word documents and many other helpful things.