Choose System Preferences from the Apple () menu.
Click General.
Choose your web browser from the ”Default web browser” pop-up menu.
Change your default email app
If you want to use another app in place of the default apps in Mac, you have two options: temporarily use a different app or permanently change the default app for specific functions. Temporarily Using Another App To Perform A Task. It is straightforward and won’t require you to tinker with your Mac.
Step 3: Change All 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.
Jun 01, 2016 Settings / Default Apps won't let me set the default browser I would like to make either Firefox or Opera my default Web browser. Under Settings / Default Apps, below 'Web browser', I'm clicking on 'Choose a default' and selecting one of these browsers, but this selection isn't recognized.
Change Default App Windows 10
Open Mail.
Choose Preferences from the Mail menu, then click General. Or, if you're prompted to set up an email account, add your account, then choose Preferences from the Mail menu.*
Choose your email app from the ”Default email reader” pop-up menu.
Change Default Apps On Mac
* You can also set your default email app in the preferences of your third-party email app.