在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用. 在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。. 但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件 ...

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

本页可帮助你了解如何使用 Microsoft 繁体中文输入法，包括输入法功能和键盘快捷方式。.

Account. How to sign in to or out of Outlook.com. Applies To. If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions. Sign in to Hotmail or Outlook.com. To sign in to Outlook.com or Hotmail, you'll need your Microsoft Account username and password.

如何使用鼠标和键盘玩游戏. 若要开始玩游戏，请转到 xbox.com/play，使用 Microsoft 帐户登录，然后从“使用鼠标和键盘玩游戏”类别中选择具有鼠标和键盘徽章的游戏。. 可以使用鼠标和键盘玩的游戏会标上鼠标形状的特殊图标。. 你还可以打开 Xbox 应用，然后从 ...

If some or all of the buttons on your Xbox controller aren’t working properly (this could include joystick drift, awkward calibration, button mapping issues, or controls not responding as expected), try these solutions to correct the problem.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

了解如何在小屏幕、手持设备上以及玩 Xbox 游戏时使用控制器时使用游戏栏紧密模式。固定小组件：关闭游戏栏时，玩家无法将小组件固定到屏幕。 居中小组件：不支持需要位于屏幕中心的小组件(例如十字线小组件)。 虚拟键盘：虚拟键盘当前不会自动显示在文本输入字段中。

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

如果無法登入您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，或者您不確定如何登入或登出，請嘗試這些解決方案。.