You may Ctrl+Shift+P or F1, then write "reset.." in command pallete, and choose in popup list "C/C++ Reset IntelliSense database". To exclude JavaScript files generated from both .ts and .tsx source files, use this expression: This is a bit of a trick. In that case, this might be better as an extension to NpmIntellisense, honestly. If you get that error, resolve it by creating a tsconfig.json file in the root folder of your project. Use the –p argument to make tsc use your jsconfig.json file, e.g. Use *.tsx (or *.jsx) instead. The active TypeScript version and its install location are displayed in the Status Bar when viewing a TypeScript file: You have a few options if you want to change the default version of TypeScript in your workspace: If your workspace has a specific TypeScript version, you can switch between the workspace version of TypeScript and the version that VS Code uses by default by opening a TypeScript or JavaScript file and clicking on the TypeScript version number in the Status Bar. To do this, open up the folder where you want to store your source and add a new file named tsconfig.json. The workaround is, do not use