File extension used by EditPlus.
File extension used by SBIG CCD Camera ST-x for RAW images.
Project file created by Pinnacle Studio video editing software; contains video project settings and references to media and other data files used by the project. The STX file is typically saved in the same directory as the folder that contains the project data.
Audio tracker module file format published by Future Crew as a transitional format between the Scream Tracker 2 (.STM) and Scream Tracker 3 (.S3M) formats.