In astronomy, .idx files can be used as index files for large datasets, like those generated by the Sloan Digital Sky Survey, to quickly locate specific astronomical objects or observations.
Finding a file ending in can be confusing because it is a "generic" extension used by dozens of different programs. To open it, you first need to identify which type of .idx file you have. 1. The Most Common Type: Movie Subtitles (VobSub) open .idx
Most users encounter .idx files alongside movie files (like .avi or .mkv). These are files. In astronomy,
: Programs like PotPlayer , GOM Player , and CyberLink PowerDVD also support this format. open .idx