How to Set Default Programs in Ubuntu 12.04 Precise

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http://ubuntuguide.net – This tutorial will explain how to change the default applications in Ubuntu 12.04 Precise for a given type of file. For general, head to System Settings -> Details -> Default Applications, there you can change default app to launch web, mail, music, video, photo, etc. For a given file type such as .pdf, .ogg, csv files, you can edit the configuration file /etc/gnome/defaults.list with root privilege: gksudo gedit /etc/gnome/defaults.list [Default Applications] application/csv=libreoffice-calc.desktop application/excel=libreoffice-calc.desktop application/msexcel=libreoffice-calc.desktop appli (HowTos)