https://faq.i3wm.org/questions/Frequently asked questions and answers about the i3 window managerenCopyright i3, 2012Fri, 26 Apr 2013 10:47:11 +0000https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/I want to set the default application for some filetypes. If I click on a E-Mail link, i want to fire up Thunderbird. If I download a PDF, evince should come up. Where can I define this kind of behaviour?Tue, 05 Jun 2012 06:05:31 +0000https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=32#post-id-32I think you are looking for the xdg-open configuration: https://wiki.archlinux.org/index.php/Xdg-open#The_config_fileTue, 05 Jun 2012 06:08:10 +0000https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=32#post-id-32https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=1708#post-id-1708Changing xdg setting didn't work for me, but this worked: `sudo update-alternatives --config x-www-browser` (should work for Debian/Ubuntu) Fri, 26 Apr 2013 10:47:11 +0000https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=1708#post-id-1708https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=35#post-id-35There's also a mailcap file that is used to specify which applications should be used for files with different MIME types. It is located at `$HOME/.mailcap` or `/etc/mailcap`.Tue, 05 Jun 2012 08:14:01 +0000https://faq.i3wm.org/question/31/i-set-the-prefered-applications-for-browser-or-e-mail/?answer=35#post-id-35