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Reset File Association in Linux From Nautilus

If you have ever experienced, for example, installing an application that turned out change the way how a file is opened. For example, to open a txt file in gnome, gedit is used. But, at a time, you install, geany or mousepad. When you want to open the txt file again, instead of calling gedit, system will call mousepad to open it.

If this happens to you and you want the txt file to always opened using gedit, use the following simple way:

1. From nautilus (the file editor), right click on your txt file.
2. Then, select Properties
3. In Properties window, select 'Open With'
4. You will be given several options in accordance with the txt file type. Choose one that you want to use as the default application. If you can't find your liking, please click 'Add' and select the appropriate application.

5. Click 'Close' to close the Properties window.

Furthermore, if you open a txt file again, the applications that you've choosen will be used.