Pdf Preview Handler Error
Ever since I upgraded to Outlook 2016 my attachment PDF Previewer has stopped working with the message
This file cannot be previewed because of an error with the following previewer:
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PDF Preview Handler
Apr 12, 2019 - If you open the preview pane in Windows Explorer instead of a pdf preview you get an error in pdf preview handler. You can fix this easily. I built a workaround into my own software which uses the Adobe PDF preview handler but you can make a simple registry change to fix the problem in Outlook and Explorer as well. I thought I'd share it with everyone as it doesn't look like Adobe are going to fix it themselves.
Pdf Preview Handler Error For Windows 7
To open this file in its own program, double-click it.
How Do I Enable Pdf Preview Handler In Outlook
I tried these fixes without any luck:
- Reinstalled the latest Adobe Reader.
- Ran this registry fix.
- Turning off all previewers and/or enabling PDF Preview Handler.
- Cleaning out the TEMP and Cache folders.
7 Answers
Disabling Internet Auto Detect did the trick for me.
For example, on..
- Windows 10 64 bits
- Adobe Acrobat Pro or Adobe Reader DC
- Outlook 2016 (32bits)
..do the following:
Open Adobe Reader -> Go to Edit menu -> Preferences -> Click Internet -> then Internet Settings -> Click LAN Settings -> Uncheck the box -> “Automatically detect settings' -> Click OK button and close Adobe
zx485
After trying all of the above, a restart did the trick. Doh!
Open the registry editor, search for 'OutlookSecureTempFolder' copy the Value data and paste it on the explorer url bar + Enter, and highlight and delete all items in this folder
Check Adobe Reader compatibility mode; if you use Office 2016 and an OS like Windows Server 2016 or Windows 10, then select 'Run this program in compatibility mode for - Windows 8'.
GlorfindelSolution:
Open Adobe Reader X or XI etc .. on Menu > Edit > Preferences > General > Click Select 'Default PDF Handler' at the bottom of the screen > Click Apply on the popup > OK.
Good luck!
In my case, I was using Adobe Reader, but the install was new and I hadn't yet opened Reader directly to accept the EULA. Once I had done that, the preview in Outlook worked.
I had the same problem while using Acrobat Pro and Outlook 365. .pdf handler issue. My solution, close outlook, download Adobe Reader DC, then re-do a file association with Acrobat Pro to open the .pdf. File handler icon changed to Reader and opens in Acrobat Pro.