gretl is a utility that allows you to work with several file extensions. It allows you to perform various actions with files, e.g. open, edit or convert a file in a given format. Below is a list of file extensions that gretl supports. gretl is designed to work with the above file extensions, so if you want to work with them you should consider installing it on your system.
File types which can be supported by gretl. Not all of these file formats will be editable with gretl. Sometimes it may be a file containing settings for software that you are not editing. Go to the file extension to learn more about it.