Software⏱️ 3 min read📅 2026-06-11

How to Fix: Outlook: PDF Preview Handler Error

Fix Outlook PDF Preview Handler Error with these steps.

Quick Answer: Try reinstalling Adobe Reader and enabling the PDF Preview Handler in LAN Settings.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

The 'PDF Preview Handler Error' in Outlook 2016 is a frustrating issue that prevents users from previewing PDF attachments. This error occurs when the Adobe Reader or other PDF previewer fails to function correctly, resulting in an error message that suggests trying a different program to open the attachment.

This problem affects users who have upgraded to Outlook 2016 and are experiencing difficulties with viewing PDF attachments. The error is not only inconvenient but also disrupts the workflow of individuals who rely on this feature.

💡 Why You Are Getting This Error

  • The primary reason for this issue lies in the incorrect configuration or outdated version of the Adobe Reader. When the Adobe Reader is not properly installed, configured, or updated, it can lead to errors like the 'PDF Preview Handler Error' in Outlook.
  • Another possible cause is a conflict between multiple PDF previewers or programs on the system. In some cases, having multiple PDF previewers installed and running simultaneously can cause conflicts that result in this error.

🚀 How to Resolve This Issue

Update Adobe Reader to the latest version

  1. Step 1: First, ensure that you are using the latest version of Adobe Reader by checking for updates on the Adobe website.
  2. Step 2: Next, download and install the updated version of Adobe Reader. If prompted, restart your computer after installation.
  3. Step 3: After updating Adobe Reader, try opening a PDF attachment in Outlook to see if the issue is resolved.

Disable all other PDF previewers

  1. Step 1: Open the Control Panel and navigate to 'Programs and Features' or 'Add/Remove Programs'. Look for any installed PDF previewer programs, such as Adobe Acrobat Reader or Foxit Reader.
  2. Step 2: Uninstall any unnecessary PDF previewer programs. Be cautious when uninstalling programs, and make sure to select the correct program to avoid removing other essential software.
  3. Step 3: After disabling all other PDF previewers, restart your computer and try opening a PDF attachment in Outlook to see if the issue is resolved.

✨ Wrapping Up

To resolve the 'PDF Preview Handler Error' in Outlook 2016, try updating Adobe Reader to the latest version or disable all other PDF previewers. If these steps do not work, it may be necessary to seek further assistance from Microsoft support or a qualified IT professional.

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