Setting Adobe Acrobat Reader as the Default PDF Viewer

Steps to open your PDF images and documents in Adobe Acrobat Reader instead of Microsoft Edge.

Problem/Question

Why are all of my PDF images and attachments opening in Microsoft Edge instead of Adobe Reader?

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Overview

In modern versions of Windows (Windows 10 and Windows 11, Microsoft Edge is set as the default PDF viewer by default. Even if Adobe Acrobat Reader is installed, PDF files may continue to open in Edge until the default app is manually changed.

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Solution

Follow the steps below to set Adobe Acrobat Reader as the default app for opening PDF files.

Change Default PDF App (Windows 10 & Windows 11)

1. Click the Start button and select Settings.
2. Navigate to Apps.
3. Select Default apps.
4. Scroll down and click Choose defaults by file type.
5. Locate .pdf in the list of file extensions.
6. Click the app listed to the right (usually Microsoft Edge).
7. Select Adobe Acrobat Reader from the list.

Verify the Change

• Open a PDF file to confirm it now opens in Adobe Acrobat Reader.

Notes

• If Adobe Acrobat Reader does not appear in the list, ensure it is installed on your device.
• You may be prompted by Windows to confirm the change: select Always use this app when available.

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For additional information, check these categories in the Knowledge Base:

How to Install Software Through the UM-Dearborn Software Center

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