公式或函数中包含无效数值时，Excel 会显示此错误。 如果在公式的参数部分中输入的数值所用数据类型或数字格式不受支持 ...

Remove watermarks or backgrounds from your documents. Remove a watermark by clicking the header area. If you can't delete a watermark using Remove Watermark, try this:. Double-click near the top of the page to open the header area.

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回复批注. 在批注中，单击“答复”按钮。 或单击批注，然后在“审阅”选项卡上，单击“新建批注”。

Last updated: February 2024. For previous versions, please see the archives here. Our Approach to Search. We recognize that in our technology-driven world, search engines are in many ways the gateway to the internet and the primary way people find the content they are looking for amongst the trillions of ever-changing webpages available online.

If contacts have been deleted, you might be able to restore them. See Delete contacts or restore contacts in Outlook.com.. Step 5: Help prevent future hacks. To prevent your account from being hacked in the future, see Help protect your Outlook.com email account.. How did a hacker get my password?

因此 IF 语句可能有两个结果。 第一个结果是比较结果为 True，第二个结果是比较结果为 False。 IF 语句非常强大，其构成了许多电子表格模型的基础，但也是导致许多电子表格问题的根本原因。

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

Microsoft Edge 是唯一一个允许你直接在网页上做笔记、书写、涂鸦和突出显示的浏览器。 然后，你可以按所有常用方式保存和共享你的作品。