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lorna5E5D
Participant
May 12, 2021
Answered

PDF Preview Handler in outlook 2016

  • May 12, 2021
  • 1 reply
  • 6215 views

I have had reports from multiple customers that we host that they are experiencing the below error:

 

This file cannot be previewed because of an error with the following previewer:

PDF preview Handler

To Open this file in its own program , double click it. 

 

I have done the below troubleshooting steps:

. Go to File>Options> Trust Center>Trust Center Settings>Attachment Handling- turn off attachment preview which was was turned off

. Checked for updates on the server and all appeared to be ok

. Checked the location below and the registry was already correct
"{HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Classes\CLSID\{DC6EFB56-9CFA-464D-8880-44885D7DC193}".
After reaching the correction location, double-tap on the AppID text value to change the Value Data to "{534A1E02-D58F-44f0-B58B-36CBED287C7C}".
.Also moved the files from the location below: c:\Users\username\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\IAO1J0FO\

. Rebooted the server 

. tested across multiple customers and both had the same issues even though their Adobe's were different updated versions.

 

Does anyone know how to resolve this issue? 

This topic has been closed for replies.
Correct answer WK0101

Check out this solution. It worked for me.

The problem is with Adobe and not Microsoft.

https://community.adobe.com/t5/acrobat-reader-discussions/pdf-preview-handler-missing-in-outlook-365-trust-center/m-p/12373763#M82935

1 reply

Amal.
Amal.
Legend
June 24, 2021

Hi Lorna

 

Hope you are doing well and sorry for the trouble and the delay in response. I hope you would be able to fix it by now.

 

If the issue still persists, please check out the steps suggested in the help page I have found on Microsoft support page https://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_win10-mso_o365b/help-cant-preview-pdf-documents-in-outlook-anymore/fff713c5-cbd5-48cb-a8d8-fdd0ece81e75 and see if that works for you. 

 

Regards

Amal

L
lorna5E5DAuthor
Participant
July 13, 2021

Hi Amal

 

I have followed the steps in the article and unfortunately they didn't help to resolve the issue, this has now been happening for over 2 months and all investigations lead to a dead end, do you have any further guidance?

 

Regards 

Lorna

W
WK0101Correct answer
Participant
October 1, 2021

Check out this solution. It worked for me.

The problem is with Adobe and not Microsoft.

https://community.adobe.com/t5/acrobat-reader-discussions/pdf-preview-handler-missing-in-outlook-365-trust-center/m-p/12373763#M82935

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