向 Excel 工作表添加“草稿”、“机密”等水印或你自己的设计（如公司徽标）

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After you set up your security verification methods for your work or school account, you can update the related details. Using the Security info page

Here are two other ways to install and manage fonts: All fonts are stored in the C:\Windows\Fonts folder. Optionally, you can add fonts by simply dragging font files from the extracted files folder into this folder.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

Who can use Microsoft Forms? Microsoft Forms is generally available to Office 365 Education customers, Microsoft 365 Apps for business customers, and users with a Microsoft account (Hotmail, Live, or Outlook.com). Learn more.. Get started quickly. Sign in to Microsoft Forms with your Microsoft 365 work or school account, or your Microsoft account (Hotmail, Live, or Outlook.com), and then learn ...

找到来自 Web 的动态 GIF. 也可以使用“插入联机图片”或“插入剪贴画”功能在 Web 上搜索 GIF，具体取决于 PowerPoint 版本。在功能区的“</c2>插入</c0>”选项卡上，选择“插入联机图片”或“插入剪贴画”。

Most of the time, Excel will recognize this, and you'll see an alert next to the cell where numbers are being stored as text. If you see the alert:

查看密件抄送收件人. 如果你是邮件的收件人，则无法查看发件人是否添加了 密件抄送 收件人。 只有邮件的发件人可以通过打开“已发送邮件”文件夹（默认情况下，该文件夹将存储所有已发送的邮件）中的邮件来查看“密件抄送”收件人的姓名。 在“已发送邮件”文件夹中，打开已发送的邮件。