Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

Important: If you originally installed the Excel add-in from a network file server or from a shared folder, you might need to remove the add-in from that location.If you installed the Excel add-in from a CD and you mapped your CD drive to a new drive letter after installing the add-in, you need to reinstall the add-in from the CD.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

In order to obtain the details of your reward, please go to your Order History and scan through the list of your orders. Look for the reward in question and at the far-right, click the Order Details button to get your redemption code or link.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.