Is it safe to preview an attachment in Outlook

Outlook: Disable and enable previewing attachments in Reading Pane

For instance, you received an e-mail message with an attachment of workbook in Outlook. Normally you can preview the attachment of workbook directly in the Reading Pane without downloading it. Click the attachment below the message header, and it previews the attachment of workbook as following screen shot shows. You can even switch among the worksheets in the attached workbook.

Sometimes the previewing attachments feature does not work in Microsoft Outlook, or you may not need this feature at all. We will teach you how to enable and disable the previewing attachments in the Reading Pane in Microsoft Outlook.

Disable and enable previewing attachments in Reading Pane in Outlook

Disable and enable previewing attachments in Reading Pane in Outlook

Step 1: Open the Trust Center dialog box firstly:

In Outlook 2007, please click the Tools > Trust Center.

In Outlook 2010, 2013 and 2016:

1. Click the File > Options to open the Outlook Options dialog box;
2. Click the Trust Center in the left bar;
3. Click the Trust Center Settings button in the Microsoft Outlook Trust Center section.

Step 2: In the Trust Center dialog box, click the Attachment Handing in the left bar.

Step 3: Go to the Attachment and Download Preview section.

1. To enable the previewing attachments in the Reading Pane, please uncheck the Turn off Attachment Preview option;
2. To disable the previewing attachments in the Reading Pane, please check the Turn off Attachment Preview option.

Step 4: It is optional to click the Attachment and Document Previewers button.

In the popping up File Previewing Options dialog box, you can check and uncheck the applications that are currently being used to preview files.

Please note that you cant preview attachments in Reading pane, because relative applications are not checked or listed in the File Previewing Options dialog box. For instance, you cant preview an attachment of zip file in the Reading Pane.

Step 5: Click OK buttons in each dialog box.

Step 6: Restart your Outlook application to activate the function you have configured

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