To change the default app for a file on macOS 10.15 and set a new one, click on the browser of your choice from the list. Change the Default Email Application In the email department, Mail is the default application that macOS uses when opening emails. Despite being an old stalwart, Mail does not have cooler features of the modern email clients. Now that you’ve changed the default program for this file, the button for Change All is active. This button will set your Mac to use the selected application to open files of this type.
This article explains how you can set different applications to open PDF files on your Mac. Your Mac has a built-in PDF reader to open and render all of your PDFs on your Mac. This default application is called Preview. Following the instructions below, you can easily set your preferred application (such as Adobe Acrobat Reader) as the default application for opening PDF files. If you are unhappy with the results, again using the instructions below, then you may set the default PDF viewer in macOS back to Preview.
See also: Preview: The File Couldn’t Be Opened, Fix
Mac - Set Default Application for PDFs This document covers how to set different applications to open PDF files in macOS. By default, macOS has Preview the built in PDF reader open and render all PDFs. Dec 05, 2019 Open the dropdown and select the app you want to set as the default app for that file type. Once you’ve selected the app, click ‘Change all’. You will get a prompt telling you that the default app will be changed for all files of that type. Confirm the change and it will be applied. Sep 05, 2019 By default, your Mac will open it with TextEdit, Apple’s built-in simple text-editing app. To change that, Ctrl+click the file in question, then click Get Info. This will bring up a new window. Apr 12, 2018 Change Your Mac’s Default Image Viewer. This process will change the default application to open a specific type of image. It’s the same basic process to change the associated app for any file type. Locate an image file in Finder. Look for extensions like.jpg or.png. Jun 19, 2018 In a Finder window, right-click (or Ctrl-click) the file whose default launch app you want to change. From the contextual menu, select Open With - Other.
Sometimes, Mac users accidentally make other applications as the default PDF reader and want to restore Preview as the default. Sometimes, Mac updates may cause issues with the default PDF reader. This article may help you resolve these issues.
See also: Can’t Open PDF On iPhone Or iPad, Fix
Setting your preferred app as the default PDF reader in macOS
For this article, we will set Preview as the default. Here is how:
1. Select any PDF file on your Mac.
2. Right-click (or Control-Click) the document. This will reveal a menu.
3. Select Get Info. This will a new window: (You can also open this info window by selecting the document and clicking the Command I keys.)
4. Find the Open With section. If the section is closed, click on the arrow next to it to expand.
5. You will see a pull-down menu. Open the menu and find and select Preview. (If your preferred app is not in the list, choose Other. This will let you choose your app from your applications.)
6. Once you select your application, such as Preview, click the “Change All” button to have this application to open all PDF documents.
Osx Default Apps
7. A popup will appear saying “Are you sure you want to change all similar documents to open with the application “Preview”? This change will apply to all documents with extension “.pdf”. Click the blue Continue button to confirm.
And you are done.
Mac Default Open App
See also: PDF Won’t Open: “Please Wait…” Message, How To Open