The “.SUB” file extension is commonly associated with subtitle files used for video playback. These files typically contain text-based subtitles or captions that can be displayed on the screen during video playback. The specific format of the subtitles may vary, and the SUB file could be associated with various subtitle formats.

How to open a SUB file:

To open and use a SUB file, you would generally associate it with a media player or subtitle editing software that supports the specific subtitle format used. Here are the steps:

1. Media Players:

2. Subtitle Editing Software:

Programs that may open SUB files:

1. VLC Media Player:

2. Media Player Classic – Home Cinema (MPC-HC):

3. PotPlayer:

4. Subtitle Editing Software:

Various apps that use files with SUB extension: