

In the Outlook Options dialog box, please click General in the left bar, then do as follows. If you are using Outlook 20, please do as follows. What files can I preview By default, you can preview files from most Microsoft Office/Microsoft 365 programs including Word, PowerPoint, Excel, and Visio. You simply click the attachment icon in the Reading Pane to preview the file.
#Pdf preview for outlook 2013 pdf
Basically, Outlook 365 refuses to let acrobat preview PDF documents. File preview allows you to view attachments in Outlook without opening the attachments in a separate application. On a few PCs we also have Adobe Acrobat XI Pro update 23 installed and with this in place the preview works in Outlook but that is only on a small number of machines as it is a licenced product. Enable or disable live preview in Outlook 20. After trawling through the internet trying to find a solution to my problem I have ended up here in a last ditch attempt to resolve my issue.

The issue also occurs on our Windows 10 PCs with the same version Adobe Acrobat Reader DC installed but we have the same GPO DCOM settings in place for W10. The Anti Virus Software is Symantec Endpoint Protection V12.1.6 even if we uninstall SEP the Outlook preview does not work.

The attachment is trying to open in Protected View. They double click on the attachment and eventually get a nondescript message that the operation failed. We got a message back from our testers that they could not open attachments in Outlook. Thanks for your reply, this is on Windows 7 SP1 and the version of Adobe Acrobat Reader is 2018.011.20040 the issue is happening on thousands of our PCs and we have tested the resolutions suggested in your post on several PCs along with any other fixes and workarounds we could find on the Adobe Forum but the issue persists. We have an AppStack of O365 click-to-run, 32 bit and version 2013.
