Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn more about the error messages you might receive when you try to upload files on the OneDrive website.

The Solver Add-in is a Microsoft Office Excel add-in program that is available when you install Microsoft Office or Excel. To use the Solver Add-in, however, you first need to load it in Excel.

To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.

Training: With Microsoft Access, you don't have to be a developer to create a database to help your team work more efficiently. Watch this online video to see how.

通过 Skype for Business，你可轻松与世界各地的同事和业务合作伙伴进行联系和协作： 启动即时消息对话和语音或视频呼叫。

Find out which third parties set cookies on Microsoft websites and how they help us provide better services and protect your privacy.

可以使用拖放功能打开使用 windows新版 Outlook 中的扩展名 .eml .msg .oft 保存的电子邮件。

Microsoft Edge 允许阻止来自特定网站的 Cookie，但这样做可能会阻止某些页面正确显示，或者你可能会从某个站点收到一条消息，告知你需要允许 Cookie 查看该网站。

You might want a macro you recorded to run automatically when you open a specific workbook. The following procedure uses an example to show you how that works. You may also want to run macros automatically when Excel starts.