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How to set the default apps in macOS
Switch the default apps for your files.
Out of the box, your Mac will use Apple’s own tools for most tasks: click on a web link in Mail and you’ll see Safari, for example, or double-click on an image you’ve downloaded to your system and up pops Photos. Pick an app from the drop-down menu, and use the Change All button to make the same adjustment for every file saved in the same format. The change is instantly applied, and the next time you follow a web link (or double-click on an HTML file stored on your system), your chosen browser will appear.
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