This article will explain why PDF Viewer not working in Outlook. Here, you will get some effective ways to fix this issue.
Outlook is the most widely used email client provided by Microsoft. Most of the users use it for email management. It provides various advanced features to its users. Outlook PDF Viewer is a feature that allows users to view PDF attachments of Outlook without any other application. Sometimes PDF viewer does not work and users are unable to open PDF attachments in Outlook. This is a frustrating situation.
Why is PDF Viewer Not Working in Outlook?
There are various reasons causing this error which are given here.
- Using the outdated version of PDF Viewer can lead to compatibility issues with Outlook.
- If you are using a Corrupted PDF viewer then it may not work.
- Outlook security measures can prevent to opening of harmful PDF attachments.
How to Fix PDF Viewer Error in Outlook?
There are some possible ways to solve PDF Preview Handler Error in Outlook.
1. Update PDF Viewer
Ensure that you are using the latest version of Adobe Acrobat Reader. Follow the below-given steps to install the latest Adobe Reader.
1. Open Adobe Reader Software.
2. Click on Menu >> Help >> Check for Upadtes.
3. If an update is available then click on Download and Install.
2. Make Adobe Acrobat Reader as Default PDF Viewer
Sometimes, Outlook may confused to deciding which software is chosen from the available PDF Preview Handler to view PDF. So, set Adobe Acrobat Reader as the default PDF viewer. To do it-
1. Run Adobe Acrobat Reader software.
2. Click on Menu and select Preferences.
3. Choose General from Categories and tick the check box of Enable PDF thumbnail previews in Windows Explorer.
4. Click on Application Startup and then hit on Select as Default PDF Hander.
3. Enable PDF Preview Hander in Outlook Settings
Disable PDF preview handler may cause of PDF viewer not working issue. Make sure the PDF preview handler is enabled or not. To do it-
1. Open Outlook and go to File tab.
2. Click Options >> Trust Center >> Trust Center Settings.
3. Choose Attachment Handling from Trust Center Settings and untick Turn Off attachment preview.
4. Click on Attachment and document Previwers.
5. A new window will appear where ensure that PDF Preview Handler is checked.
4. Delete Temporary Files
Corrupted temporary files may cause of PDF viewer not to work. Delete these corrupted files to fix this error. To do it-
1. Open Outlook.
2. Press Winodows Key + R to open run dialog box.
3. Copy the following path and paste into run dialog box.
%temp%
%userprofile%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\
4. Delete all files or folders in these paths.
5. Disable Add-ins
Sometimes Outlook add-ins can interfere with attachment handling. Uncheck all these add-ons and check issue is solved or not.
1. Open Outlook.
2. Go to File >> options >> Add-ins >> Go.
3. All add-ins are listed here. Uncheck the box of Add-on and click OK to disable them.
Here, we have discussed the causes of PDF viewer not working in Outlook issue and mentioned some effective ways to solve it. First of all find the main cause to occur this error and then apply methods according to the reasons.