Learn how to insert ASCII or Unicode characters using character codes or the Character Map.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Explore the new and refreshed apps of Windows 11, from Photos to Microsoft Store. Watch the video and read tips to find tools to stay creative and productive, whether on your phone or on your PC.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Click New chat to start a one-on-one chat and send messages in Microsoft Teams. To start a group chat, just add people to the conversation.

右键单击该应用，选择“更多”，然后选择“打开文件位置”。此操作会打开保存应用快捷方式的位置。 如果没有“打开文件位置”选项，这意味着该应用无法在启动时运行。

Office for Mac applications automatically check for potential spelling and grammatical errors as you type. If you’d rather wait to check spelling and grammar until you're done writing, you can turn off automatic checking, or you can check spelling and grammar all at once.