若要将宽度更改为特定度量值，请在要调整大小的列中选择一个单元格。 在“ 布局 ”选项卡上的“ 单元格大小 ”组中，单击“ 表格列宽 ”框，然后指定所需的选项。

Make sure any 3rd-party Office add-ins that you rely on are stated as being Office 2010 and 64-bit compatible. Possible backward incompatibility is why, if in doubt, stay with the 32-bit version. Insert the Office 2010 installation disc.

了解如何在 Outlook 中设置时区以及日期和时间格式设置。 若要了解 Outlook 如何跨时区管理会议请求，请参阅 有关 Outlook 中的时区的详细信息部分。. 为正在使用的 Outlook 版本选择以下选项卡选项。

Important: Bing doesn't control the content that websites publish or that appears in Bing search results.To make sure content is removed from search results, your best option is to contact the webmaster for the website that published the content and request that it be deleted or removed.

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) ”。

Note: If you signed in with a Microsoft account such as an Outlook.com, Hotmail, Live, or MSN email account instead of your work or school account, sign out, and then sign in again using the correct account. Not sure which account you're signed in with? Select Account manager in the Outlook navigation header. If you're not signed in with the account you want, select Sign out and start the ...

使用 edate 函数从日期添加或减去月份. 可以使用 edate 函数 快速添加或减去日期中的月份。. edate 函数需要两个参数：开始日期和要加减的月数。 若要减去月数，请输入负数作为第二个参数。 例如，=edate (“9/15/19”，-5) 返回 4/15/19。. 对于此示例，可以在 a 列中输入开始日期。

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)