“PDF Preview Handler” is enabled/ticked in the list in the opened window.Ĥ.
Click “Attachment and Document Previewers” button and check if. Make sure that “Turn off Attachment Preview” box is unchecked. In Outlook, navigate through “File > Options > Trust Center > Trust Center settings > Attachment Handling” and: Making Sure That "PDF Preview Handler" is Enabled Delete all files/folders in those paths after preferably backing up them.ģ. %userprofile%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\ Copy these paths and paste into there respectively:. Restart Outlook and check if you can preview PDF attachments now.Ĭorruptions and similar problems with the temporary/cache files might be the reason behind this issue. Make sure that it's the default app to open PDF files. You can download and install the latest versionĪdobe Reader or try updating it. Installing the Latest Version of Adobe Reader You can follow the troubleshooting steps below: 1. Preview, it fails and you receive this error message: "This file cannot be previewed because of an error with the following previewer: PDF Preview Handler." This issue occurs because you must open another instance of the program to preview the document.When you want to preview a PDF attachment in the reading pane in Outlook and click "This file can't be previewed because of an error in the Microsoft Word previewer." Additionally, you receive an error message in the Preview pane that resembles the following: In this scenario, a preview of the document is not displayed. In the Open dialog box, you click Show the preview pane. You click the Microsoft Office Button or the File tab, and then you then click Open. You start one of the programs that are listed in the "Applies To Products" section. For example, preview a Microsoft Word document in Microsoft Excel or Microsoft PowerPoint.įor more information about this issue, consider the following scenario: To work around this issue, preview the document in Windows Explorer or in a different Microsoft Office program. 
"This file can't be previewed because of an error in Microsoft Word previewer." When you try to preview a document in the Preview pane, you receive an error message that resembles the following: For more information about this change, read this blog post.
Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise.
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