.SMI File

File extension smi is mainly related to SAMI (Synchronized Accessible Media Interchange) subtitles format developed by Microsoft. It is based on both HTML and CSS and stores subtitles in a text based format.

Nowadays, this format is somewhat rare, because most subtitles are in common formats like SRT or SUB.

Files with smi extension can be often found as subtitles in Microsoft's Synchronized Accessible Media Interchange (SAMI) format.

How to open:

Several media players still support *.smi subtitles.

How to convert:

Some subtitles editors and converters may still support SMI format and convert it to one of the newer formats.