Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

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To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

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Important: When you break a link to the source workbook of an workbook link, all formulas that use the value in the source workbook are converted to their current values.

注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

Set up an eye tracking device. This guide helps you to set up and calibrate your eye tracking device for use with Windows eye control. We have tested it with the Tobii Eye Tracker 4C device; your experience with other devices might vary.

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

В течение ограниченного времени после перехода на Windows 11 вы можете вернуться к предыдущей версии Windows, выбрав Пуск > Параметры > Система > Восстановление .Рядом с пунктом Вернуться нажмите Вернуться.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.