Use this page to manage the list of file types and extension patterns to be recognized by IntelliJ IDEA.
Recognized file types
This list box displays all the default and custom file types currently supported by IntelliJ IDEA.
Use the , , and buttons to manage the contents of the list box.
Shown in this area are all the registered extensions associated with the file type selected in the Recognized file types list.
Use the , , and buttons to manage the corresponding patterns.
Ignore files and folders
In this text box, specify the files and folders, which you want to be ignored by IntelliJ IDEA. Such files and folders will be completely excluded from any kind of processing. By default the list includes temporary files, service files related to version control systems, etc.
You can specify multiple names or wildcard masks, with semicolons (
Below is the default setting, in case you need to restore it: