- Next, select “Open With,” and a box of selected programs or applications to open the file with appears. Choose the one you’d like to open the file with this time. There you have it: How to set a default program or application to open specific files on your Mac, or use a different program as needed.
- I have to set the default telephone app on 10 iMacs and don't want to register 10 iCloud-accounts just to do the facetime login and being able to open the preferences there. That's ridiculous. Installed RCDefaultApp and set the default telephone app there but the phone-icon in contacts application is still greyed-out.
How to change your default web browser
Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end.
- Make sure that the other web browser is installed.
- Choose Apple menu > System Preferences, then click General.
- Choose a web browser from the ”Default web browser” menu.
How to change your default email app
- Make sure that the other email app is installed. Although you might be able to use a web browser for email (webmail), a web browser isn't an email app.
- Open the Mail app.
- Choose Mail > Preferences, then click General.
- Choose an email app from the ”Default email reader” menu.
You might be prompted to add an email account before you can change the setting in Mail. If you don't want to do that, check the preferences of the other email app. You might be able to set a default email app from there.
How To Adjust Default Open Apps On Mac Computer
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Some Defaults Set On Phone App
Change the default web browser or email app on iPhone, iPad, or iPod touch.