Recognized File Types
File types
To view the list of file types recognized by CLion, go to Settings/Preferences (Ctrl+Alt+S) . If a file in your project is marked with the 
it indicates that CLion can't recognize it. In this case, you can register and configure a new file type.
The default list of recognized file types include:
File Type | Icon |
|---|---|
ActionScript files |  |
Archive files |  |
Assembly language |  |
C/C++/Objective-C files |  |
CSS files |  |
Clang module map |  |
Cmake cache |  |
CMake files |  |
CoffeeScript files |  |
Doxygen Language |  |
ECMAScript 6 |  |
Files opened in associated applications |  |
Flow JS | |
| HTML files |  |
HTTP Requests |  |
Image files |  |
JavaScript files |  |
Jest Snapshot | |
JIRA query language |  |
JSCS configuration files |  |
JSHint configuration files |  |
JSON files |  |
JSON5 files | |
Less files |  |
LiterateCoffeeScript | |
Patch files |  |
Python |  |
Python Stub | |
Qt UI Designer Form |  |
React JSX |  |
Regular expressions |  |
RELAX NG Compact Syntax |  |
| Sass files |  |
Scalable Vector Graphics | |
| SCSS files | |
Snake YAML | |
SourceMap | |
Spell Checker Dictionary |  |
Stylus |  |
Text files | |
TypeScript Config | |
TypeScript files |  |
TypeScript JSX | |
| XHTML files |  |
| XML DTD files |  |
| XML files |  |
YAML files |  |
Yarn.lock | |
YouTrack Query Language |  |