若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。 如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。

Click a template to see a preview. Click the arrows on the side of the preview to see more templates.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.

Type about in the search box on your taskbar, and then select About your PC.. View your PC info

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

vlookup、hlookup、その他の index や match などの関数を使い、ユーザーが入力した値に基づいてデータを検索して見つけます。 この記事では、vlookup について簡単に復習してから、その他の情報へのリンクを示します。

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.