FileInfo.com


.SUB File Extension


File Type 1 Subtitle File  (Most common)
File Format File
Common? No
File Description Text file containing subtitles used by MicroDVD, DivX, and other movie formats; includes subtitle text and cue points for when each subtitle should be displayed; often saved along with a corresponding video file and referenced during playback.

Another commonly used subtitle format is the SubRip (.SRT) format.
Program(s) that open sub files Mac: MPlayer; View with a text editor
Windows: URUWorks Subtitle Workshop; MicroDVD; VobSub; SoftNI CASAT; Universal Subtitle Viewer; View with a text editor
Unix: Gnome Subtitles; KSubtile

File Type 2 SubTerra Level File
File Format Proprietary File
Common? No
File Description Game level for SubTerra, a 2D puzzle game that requires players to use thoughtful planning to collect gems and complete each level; contains level layout information as well as objects and events included in the the level.
Program(s) that open sub files Windows: Crystal Shard SubTerra

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/sub