Reset “Always Warn Before Previewing This Type of File” Setting in Outlook 2007重置“ ，始终警告之前，预览这种类型的文件”设置在Outlook 2007

In Microsoft Office Outlook 2007, users can preview supported files that sent to them as email attachments directly in Reading Pane (aka Preview Pane) or Message window without actually need to open or save the attachments to local disk.在Microsoft Office Outlook 2007 ，用户可以预览支持的文件发送到他们作为电子邮件附件直接在阅读窗格（又名预览窗格）或邮件窗口而不实际需要打开或保存附件的本地磁盘。 The file formats that can be previewed including Office Word, Excel, PowerPoint files, JPG or JPEG photos, GIF images, Acrobat PDF documents (instead of loading the PDF in bloated Adobe Reader installed) etc., and even supports viewing of ZIP file content when档案格式，可以预览包括Office的Word ， Excel ， PowerPoint文件， JPG或JPEG照片， GIF图像时， Acrobat PDF文件（而不是加载的PDF在臃肿的Adobe Reader安装）等，甚至还支持查看的zip档案内容何时 additional ZIP preview handler额外邮编预览处理 is installed.安装。

When reading an email that attached with an attachment, there will be additional tabs displayed on top of the Reading Pane or Message window to indicate the availability of attachments.阅读时发送一封电子邮件，附上一个附件，将有额外的标签显示在上方的阅读窗格或邮件窗口，以显示可用的附件。 When you click on the attachment tab with a supported file format or extension, you will get a warning message about the security risk on previewing on the file from non-trustworthy source, and possibility that preview does not show full content of the file:当您按下扣押标签与一个受支持的文件格式或扩建，你将获得一个警告讯息有关的安全风险就预览该文件对从非可靠的来源，并有可能预览不显示的全部内容的文件：

At the end of the message, there is a check box for Always warn before previewing this type of file , which is checked (ticked) by default.在去年底的讯息，有一个复选框总是警告之前，预览此类型的档案 ，这是检查（分）默认情况下。 You can unselect (untick) the check mark so that Outlook 2007 will automatically show the preview of the same file type of attachemnt in future.您可以取消（ untick ）选中标记，这样Outlook 2007就会自动显示预览相同的档案类型的attachemnt在未来。

However once you uncheck the option, Outlook 2007 will auto open and display the preview of attachment immediately, without going through the intermediary page again.但是一旦您取消勾选选项， Outlook 2007中会自动打开并显示预览立即扣押，不必通过中介机构的网页。 So it’s impossible to check or enable again the warning prompt before previewing from the user interface within Outlook 2007 itself.所以这是不可能的支票或使再次警告之前进行提示预览从用户界面与Outlook 2007的本身。

To re-enable the You should only files from a trustworthy source warning prompt and reset the Always warn before previewing this type of file option to original default, we have to use Registry Editor to modify the registry, in all Windows version including Windows XP and Windows Vista.重新启用您应该只将档案从可靠的来源，预警提示和重置总是警告之前，预览这种类型的文件的选项原来的默认情况下，我们要使用注册表编辑器修改注册表，在所有的Windows版本，包括Windows XP和Windows Vista的电脑。

1. Click on Start button.点击开始按钮。
2. In Windows Vista, type RegEdit in Start Search bar.在Windows Vista中，键入regedit ，在开始搜索吧。

   For Windows XP and other operating system, click on Run command and then type RegEdit into Run text box.适用于Windows XP和其他操作系统，按一下就执行命令，然后键入regedit进入运行文本框。

3. Press Enter .按下ENTER 。
4. For Windows Vista, allow Registry Editor permission to run as administrator.适用于Windows Vista ，让注册表编辑器允许以管理员身份运行。
5. In Registry Editor, navigate to the following registry key:在注册表编辑器，浏览到以下注册表项：

   HKEY_CURRENT_USER\Software\Microsoft\Office\Previewers hkey_current_user \软件\微软\办公室\ previewers

6. Expand the Previewers registry key to see more subkeys.扩大previewers注册表项中看到更多的子项。
7. The sub-keys are named by on the file extension, and each of them contains a value named PONTState with value data set to 1.分项命名上的文件扩展名，和他们各自包含的价值命名pontstate与数值数据设置为1 。 Locate the subkey for the file extension that you intend to reset the auto-preview behavior to the default ask-first-before-preview.找到子项为文件扩展名你是否打算重置自动预览行为，以预设的要求首先前预览。
8. Delete the subkey folder completely.删除子项文件夹的完全。 For example, if you want to reset and disable PDF auto-preview, right click on pdf sub-registry key under Previewers, and then select Delete .例如，如果您要重置，并停用PDF格式自动预览，右键点击的PDF小组的注册表项下previewers ，然后选择删除 。 Confirm key delete prompt.确认项删除提示。

The next time you view an attachment within Outlook 2007, you will prompt with the intermediary page to ask for your confirmation again.当您下一次检视附件内的Outlook 2007中，您将迅速与中介机构的网页，要求您再次确认。

IMPORTANT : This is a machine translated page which is provided "as is" without warranty. 重要说明 ：这是一个机器翻译网页是“按原样”提供的担保。 Machine translation may be difficult to understand.机器翻译可能很难理解。 Please refer to请参阅 original English article英文原版的文章 whenever possible.只要有可能。

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