PDF has greatly expanded the boundaries of digital documents that swell today, it brings us a much more innovative way to present our ideas. Therefore, people, especially office people use PDF very often. It is a commonsense understanding that we all need a PDF viewer to open and view a PDF file. There are so many options on a PDF reader, then how to change the default PDF viewer to our preferred one on mac?

In effect, it is quite easy to change the default PDF viewer on mac, here we list 3 methods to make this, no matter you want to change default PDF viewer to Preview, Adobe or other PDF readers for Mac.

Method 1. Change Default PDF Viewer via Get Info Menu

To change default PDF viewer on mac with Get Info menu is the most universal way that Apple macOS support itself and other authorities are recommending. So, we will begin with this method to change your default PDF viewer to Preview, Adobe Acrobat or other PDF readers.

Apr 25, 2017 Or. Select a pdf in the Finder and go File - Get Info. In the Get Info Window Use the 'Open With' tab to select your preferred app, then click on 'Change All' to make it the default.

Right click on a PDF file, then choose “Get Info”;
Then go to “Open with”. Now, the defaulted PDF viewer on my mac is Preview, you can click the drop-down menu to shift to another installed PDF viewer on your mac, like Adobe Acrobat Reader or others;
Then click on the Change All>Continue to change the default viewer to your selected one. Open a PDF, you will find the default PDF viewer for your mac has been changed;

Inside Foxit app, go to File Preferences or hold down CTRL+K. Go to Documents tab, click the triangle before the option 'In Foxit Reader, please choose the mode for display PDF mode', choose Normal. Click on OK to apply the change.
You can easily change the default PDF viewer on your Mac. The option to change your PDF viewer opens when you right-click a PDF and select 'Get Info.'

Method 2. Change Default PDF Viewer on Mac via “Always Open With”

Another method to change default PDF viewer on mac is enabling the “Always Open With” menu and choose your preferred viewer on mac.

Right click on a PDF file, choose Open With>Other…
Then go to Enable, choose Recommended Applications and select the PDF viewer you want to set as default from the app list. After that, check the box before “Always Open With”; If you cannot find the PDF viewer your want to change as the defaulted one from the Recommended app list, go to Enable>All Applications, then choose your wanted PDF viewer, and check the box before “Always Open With”;
Last, click on Open to change your default PDF viewer on mac.

Method 3. Change Default PDF Viewer when Installing a New PDF Viewer

The last, but not the least convenient way to change default PDF viewer on mac is doing this as the installation of a new PDF viewer starts.

The reason why you want to change the default PDF viewer on mac is mainly for that you have other PDF viewers installed or will be installed on your mac. You can easily do this when installing a new PDF reader, since a newly installed PDF viewer will allow you to change the default viewer.

How To Change Preference For Pdf Viewer Defult On Mac

Here we take PDFExpert as the example, since it is the most popular Mac PDF reader and editor to work on your PDF files, it is much likely that you will install a PDF tools as powerful as PDFExpert.

The Ultimate PDF Editor for Mac

PDF Expert Allows Users to:

Edit PDF: edit text, image, link;
Redact, annotate, protect, sign, crop, rotate, extract PDF;
Insert/Add/Delete PDF pages, add/remove page numbers;
Scan & OCR PDF files to recognize text from scanned PDF or image;
Export PDF as Word, Excel, PowerPoint, Text, Image;
Export annotation summary;
Create PDF from Word, Image, etc.;
Competitive price: $49.99

Go to PDFExpert website, download the installer;
Run the installer and go to the Installation Wizard as following;
Check the box before “Set PDF Expert as default PDF reader”;
Then click “Install” to change the default PDF viewer on your mac.

Conclusion

Isn’t it very easy to change the default PDF viewer on your mac? You can try any one of these 3 methods. Or, if you have other solutions, please don’t hesitate to share with us in the comments area.

By default, Windows 10 uses Microsoft Edge as the default program to open PDF files. So when you double-click a PDF file to open it, it will be automatically opened in Microsoft Edge browser, whether a PDF reader is installed on your Windows 10 or not. Sometimes you may want to change the default program to open and view PDF files. Now, this post will show you how to change and set default PDF viewer in Windows 10. Three ways are available.

Way 1: Change or set default PDF viewer through 'Open with' menu

Step 1: Locate anyone PDF document in Windows 10, then right-click on it, and then point to 'Open with' and select 'Choose another app' from the context menu.

Tips: Occasionally, for some reason, the 'Open with' option would be missing from the right-click menu. If so, choose the second way or third way in this article to change default PDF viewer or try to get back the missing 'Open with' option in Windows 10.

Step 2: In the dialog titled ‘How do you want to open this file’, choose one program such as Adobe Acrobat Reader to open the PDF file, and tick the checkbox next to 'Always use this app to open .pdf files' to set the selected program as the default PDF viewer, and then click OK.

Way 2: Change or set default PDF viewer through Control Panel

Step 1: Open Windows 10 Control Panel, then type default programs in the search box, and then click the Default Programs link appearing on the panel.

Step 2: On the Default Programs panel, click the link 'Associate a file type or protocol with a program'.

Step 3: After a short loading, it shows a list of file extension names and the current default programs to open individual files. Select the .pdf extension name, and then click the 'Change program' button.

Step 4: In the dialog titled 'How do you want to open this .pdf file from now on', choose one app from the app list as the default PDF viewer, and click OK to save changes.

Step 5: After a short loading, the default PDF viewer is changed from Microsoft Edge to the selected program. Close the Control Panel. Then Windows 10 will always use the selected program to open PDF files from now on.

Way 3: Change or set default PDF viewer through System Settings

Step 1: Open the Settings app in Windows 10, and then click the first item titled 'System (Display, notifications, apps, power)'.

Pdf Viewer Free Download Windows 10

Step 2: Select Default apps on the left-side pane, and then click the link 'Choose default apps by file type' on the right-side pane.

Step 3: Slide down your mouse wheel until you find the .pdf (PDF File), then click on the current default PDF viewer's icon, and then choose a program to set it as the default PDF viewer in the drop-down menu. Changes will take effect immediately.

How To Change Preference For Pdf Viewer Default On Mac Windows 10

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