Learn more about simple formulas. All formula entries begin with an equal sign (=).For simple formulas, simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use — the plus sign (+) to add, the minus sign (-) to subtract, the asterisk (*) to multiply, and the forward slash (/) to divide.

Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。

Supported languages. Read Aloud uses the proofing language set for the document. To change the language, see the help article Fix text-to-speech reading in wrong language.. Voices. Depending on your platform, text-to-speech (TTS) uses software that comes built into your device or by a Microsoft service.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

For more information and to install the tool, see: About the Microsoft Support and Recovery Assistant. Additional resources: Office 365 Support Corner: These videos are created by Microsoft 365 support engineers to help you learn more about Microsoft 365, and are focused on support trends and top how-to questions and issues.. Calendar Checking Tool for Outlook (CalCheck)

The Professional option displays the equation in a professional format optimized for display. The Linear option displays the equation as source text, which can be used to make changes to the equation if needed. The linear option will display the equation in either UnicodeMath format, or LaTeX format, which can be set in the Conversions chunk.

To help make sure your message gets noticed, mark it as important or urgent. Select Set delivery options underneath the box where you type your message.

如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

Creating trusted documents. When you open a new file that has active content (data connections, macros, and so on) the Message Bar appears because active content may contain viruses and other security hazards that could harm your computer or your organization’s network.. However, if you trust the source of the file, or know that the active content is secure (for example, the macro is signed ...