PDF Opening Issues

Fix Cannot Download PDF Email Attachments in Internet Explorer

Huda QurayshiHuda Qurayshi Oct 27, 2026 868 views

Question details

The user is unable to download or view PDF email attachments using Internet Explorer after recently updating their Adobe Reader software.

How to Fix Cannot Download PDF Email Attachments in Internet Explorer
Product
Internet Explorer / PDF Reader
Device & OS
not provided
Scenario
Attempting to download or open a PDF email attachment directly from a webmail client in Internet Explorer.
Observed behavior
The PDF attachment fails to download or display correctly in the browser, likely due to a plugin conflict caused by the software update.
Before you start

Verify if the issue is specific to PDF files or if all email attachments are failing to download. As a quick workaround, try right-clicking the attachment link and selecting 'Save target as...' to bypass the browser's PDF viewing plugin.

Solution 1Recommended

Configure PDF Add-on Settings in Internet Explorer

Ensure that the PDF reader add-on is enabled and properly configured in Internet Explorer to allow in-browser viewing or downloading.

Software updates can sometimes reset browser preferences or disable active plugins. Re-enabling the extension usually restores the browser's ability to process PDF attachments.

1
Open Add-on Manager

Launch Internet Explorer, click the Tools icon (gear) in the upper-right corner, and select 'Manage add-ons' from the drop-down menu.

2
Filter Add-on Types

Under 'Add-on Types' on the left side, select 'Toolbars and Extensions'. Then, click the 'Show' dropdown menu at the bottom left and choose 'All add-ons'.

3
Enable the PDF Extension

Locate your PDF Reader add-on (such as Adobe PDF Reader) in the list. Click on it, select 'Enable' in the bottom right corner, and then restart Internet Explorer to test the email attachment.

Configure PDF Add-on Settings in Internet Explorer
Plugin Verified: If the plugin was already enabled, try disabling it, restarting the browser, and then re-enabling it to refresh the connection.
Reliable PDF Solution

Easily Open and Manage PDF Attachments with WPS Office

Bypass legacy browser plugin issues by using WPS PDF. WPS Office offers a lightweight, built-in PDF reader that allows you to easily view, edit, and manage all your downloaded email attachments without relying on buggy browser extensions.

  1. 1. Download WPS Office: Visit the official website to download and install the free WPS Office suite on your computer.
  2. 2. Download Your Attachment: Save the PDF email attachment directly to your computer's Downloads folder from your browser.
  3. 3. Set as Default PDF Viewer: Right-click the downloaded PDF, select 'Open with', choose 'WPS PDF', and check 'Always use this app to open .pdf files'.
Built-in PDF reader independent of browser add-onsLightweight and fast opening speeds for large email attachmentsSeamless compatibility with standard PDF formats as well as Microsoft Word, Excel, and PowerPoint filesComprehensive annotation, merging, and format conversion tools
microsoft office alternative - wps office

Frequently Asked Questions

Why did updating my PDF reader break downloads in Internet Explorer?

Software updates can sometimes reset browser add-on preferences or introduce compatibility bugs with legacy browsers like Internet Explorer, which prevents the viewing plugin from loading correctly when you click an attachment.

How can I tell if the issue is my browser or the PDF file itself?

Try downloading a non-PDF file (like a Word document or an image) from your email. If that file downloads successfully, the issue is specifically isolated to how your browser handles PDF extensions.

Will switching to another web browser fix this issue?

Yes. Modern web browsers like Google Chrome, Mozilla Firefox, and Microsoft Edge feature native, built-in PDF viewers that do not rely on external plugins, making them significantly more reliable for opening PDF attachments.

How do I force Internet Explorer to save the PDF instead of opening it?

You can right-click the email attachment link and select 'Save target as...'. This action bypasses the browser's PDF viewer completely and prompts a standard dialog box to save the file directly to your local hard drive.