更改第一页上的页眉或页脚，或者文档中的任何其他页面。 重要: 分节符不同于分页符。如果想要更改页眉或页脚的页面之前已有分页符， 请删除分页符 并将其替换为分节符，如下所示。

提示: 如果你也检查“在我的手机上设置 Outlook Mobile”框，你将被带到一个网站，你可以在其中输入你的移动电话号码，你将收到下载 Outlook for iOS 或 Outlook for Android 的链接。安装 Outlook Mobile 是随时随地保持最新状态的好方法。

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

Scenario. Description. Recommended Solution. Add Teams meeting add-in for Outlook. Helps fix the issue where teams meeting add-in is missing or is not loaded, preventing you from creating teams meeting from Outlook.

Learn how to download a recovery image for your Surface device and restore it to factory settings.

A delivery receipt confirms delivery of your email message to the recipient's mailbox, but not that the recipient has seen it or read it. A read receipt confirms that your message was opened.

通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。

NPV 投资开始于 value1 现金流所在日期的前一期，并以列表中最后一笔现金流为结束。 NPV 的计算基于未来的现金流。 如果第一笔现金流发生在第一期的期初，则第一笔现金必须添加到 NPV 的结果中，而不应包含在值参数中。 有关详细信息，请参阅下面的

Check the Xbox services, games, and apps for any service outages.