新しい Windows 10 PC にプリインストールされている Office をライセンス認証する、または新しいプロダクト キーを使用する方法について説明します。

Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.

Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

了解如何关闭或卸载 OneDrive。 OneDrive 内置在某些版本的 Windows 中，并且无法卸载。 但是可将其隐藏并停止同步过程，使其保持隐藏状态。

Learn how to change Windows display language and keyboard layout settings for websites and apps.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.