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AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes. Learn how to make Windows easier to see and easier to hear .

在 “选择默认签名”下，设置以下选项。 在 “电子邮件帐户 ”下拉框中，选择要与签名关联的电子邮件帐户。 可为每个邮件帐户设置多个签名。 可以将签名自动添加到所有新邮件。 在 “新建邮件 ”下拉框中转到 ，然后选择其中一个签名。 如果不想自动向新邮件添加签名，请选择“ (无) ”。

解决方案. 若要解决此问题，请按照 Xbox One 上的系统更新疑难解答 中的说明执行操作。 这是否解决了问题？ 了解如何修复错误 8019019x，以便可以更新你的 Xbox One 主机软件。

Select Start > Settings > Time & language > Language & region. Choose a language from the Add a language list under Preferred languages, and then select Options. Select Download from the Download language pack option. After the language pack is installed, select Back. Choose a language from the Windows display language menu. Get steps for how ...

開始之前，請確定您的PC或Mac符合 系統需求 。. 如果您已兌換產品密鑰、只是重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 章節。. 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先 ...

Learn how to switch your Outlook calendar view between day, week, or month views, change the week displayed, and see different shared calendars. Adjust your calendar view. There are different views to choose from: Month - View the entire month. Week - View the week from Sunday through Saturday.

You can view work hours and location for yourself and others in classic Outlook, but you need to set them up with a work or school account using new Outlook or Outlook on the web following the steps below. Not sure of what version you're using? See What version of Outlook do I have?