提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

OneDrive for Business provides one place to store, share and sync your work or school files.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

No matter how fast your Internet connection is, there are times when things will slow down to a crawl. This article will help you sort out what kinds of things can go wrong, learn what you can do about them, and discover how to get the most from your Internet connection.

选择要打印每页的页数： 在一张纸上打印多页是一种有用的技术，可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例：每张) 1、2、4、6、9 或 16 页。

Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.

The Windows 10 free upgrade offer ended on July 29, 2016. To upgrade to Windows 10, you will need to have a compatible PC and purchase a full version of the software.We recommend that you don’t install Windows 10 on an older device, as some Windows 7 devices are not compatible with Windows 10 or could experience reduced feature availability.

Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.

Windows poskytuje následující nastavení ochrany osobních údajů, abyste měli kontrolu nad svým soukromím. Reklamní ID. Systém Windows vygeneruje pro každého uživatele zařízení jedinečné reklamní ID, které pak mohou vývojáři aplikací a reklamní sítě používat ke svým vlastním účelům, včetně poskytování relevantnějších reklam v aplikacích.