How to Change Default Apps on Ubuntu
You can set up your preferred default apps in Ubuntu. For example, if you want Google chrome as your default browser, then you can make it default easily in Ubuntu.
Firstly, go to Settings.
Scroll down and choose Default Applications option from the left pane. Then you can set default apps for Web, Mail, Calendar, Music, Video and Photos.
Pretty easy right? I hope this tutorial will be helpful for you.