However most, if not all directly associated file extensions should be listed with its appropriate program. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. Note: You can click on any file extension link from the list below, to view its detailed information. Google Earth for Mac works with the following file extensions: