如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Equation Editor (Microsoft Equation 3.0) was included in earlier versions of Word, but was removed from all versions in the January 2018 Public Update (PU) and replaced with a new equation editor.

使用带数组（单元格区域）的 sumproduct，乘以数组中的各单元格（例如，单元格 b2 x c2），然后将结果相加。

了解如何从 Microsoft Office 应用中搜索和打开文件。 使用快捷方式浏览最近打开的文件和文件夹。

Find out how to change your capture settings on Windows 10/11 devices.

Some of your form questions may require your responders to upload/attach files to their answers. You can add a type of question to your form that allows for file uploads.

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.

Découvrez comment mettre à jour des pilotes dans Windows à l’aide de Gestionnaire de périphériques pour mettre à jour ou réinstaller un pilote.

Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.