Adobe Reader may not have created the required registry record in 64-bit Windows or it might be corrupted. Click on the View tab at the top, and then click on the Options icon at the end of the ribbon. This is the most common cause of the problem.
Manually Creating Required Adobe Reader-related Registry Records Description, When clicking on the Create PDF button in Quotes, Users may receive a message in the PDF Preview window: Please download Adobe Reader to view. “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.Click + to add a new browser In the Add Browser dialog box, specify a friendly name for the browser, for example, Edge. Make sure that it's the default app to open PDF files. Click + to add a new browser to the list of browsers that appear in the Preview In Browser option.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." When you want to preview a PDF attachment in the reading pane in Outlook and click