Many Mac users want to change which app opens their PDF files instead of relying on Preview, the default PDF viewer.
Some prefer Adobe Acrobat Reader or another PDF tool for more advanced features or a familiar interface.
To change your default PDF viewer on Mac, simply right-click any PDF file, choose "Get Info," select your preferred application under "Open with," and click "Change All" to set it for all PDFs.
Knowing how to change your default PDF viewer on a Mac offers flexibility and can make everyday tasks faster and more efficient.
Whether it’s for better annotation options, compatibility with forms, or personal preference, switching the default app is straightforward and takes just a few steps.
How to change the default PDF viewer on a Mac? 5 easiest methods explained step by step
Changing the default PDF app on a Mac can be done in several ways depending on preferences and available apps.
Here are five straightforward methods:
1. Using Finder’s Info Window
Right-click any PDF file and select Get Info.
In the Open with section, choose your preferred PDF reader from the dropdown menu.
Click Change All… to apply this setting to all PDF files.
2. Directly in Preview or Installed PDF Reader
Open a PDF file using your preferred app (e.g., Adobe Acrobat or Preview).
Look for a setting like Set as Default PDF Viewer in the app's preferences or settings.
Follow any on-screen prompts to confirm the change.
3. Drag and Drop Method
Drag a PDF file onto your preferred PDF app’s icon in the Dock.
If macOS prompts you to always use this app, confirm the change.
4. Via the “Open With” Menu
Right-click the PDF and select Open With > Other…
Choose your desired app, check Always Open With, and click Open.
5. Through System Preferences (for Some Third-party Apps)
Open your third-party PDF app and go to its Preferences or Settings menu.
Look for an option like Set as Default PDF Viewer and enable it.