Specify which editor tool will be opened for a particular file type.
This question comes regularly in the forums and in Support.
How to change the editor tool for a particular file type ?
F.ex. you would like to open the JSP files with the 'Source' tab as default, instead of the 'Design' tab.
It's very easy to do it ... when you know how to do it.
You have to select menu Tools -> Preferences....
There select "File Types" on the left Panel.
On the right panel, click tab "Default Editors"
Select a File Type and change its default editor.
In the following example, I specify I would like to open the JSP files in the Source editor: