Learn how to use the privacy dashboard in your Microsoft account and manage your privacy settings for products you use.

Get to your files from anywhere - at work, at home, or on the go. Set up the Office apps on your mobile device.

注意: 默认情况下，所有搜索都是 and 搜索。 必须将 not 和 or 运算符大写。 否则，必应将忽略它们作为停止字词，这些字词和数字是常见的单词和数字，为加快全文搜索速度而省略。

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

In Microsoft Forms, you can send forms and quizzes to students, parents, and colleagues to collect form responses.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

了解如何运行 Windows 更新疑难解答来解决下载或安装 Windows 更新时出现的错误。

Edit or delete a sent message in a Microsoft Teams chat by clicking More options. You can recover a deleted message.

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

Try these solutions if sent messages in Outlook.com come back with a "delivery failed" error.