Images found with SSI extension are in most cases in SriSun graphic format.
There are 2 other file types using
the SSI file extension!
.ssi - HTML with server side includes
.ssi - SSI Web study file
Software that works with ssi file extension
What is ssi file? How to open ssi files?
The SSI file extension was also for some sort of bitmap image created or used in SriSun. Most likely obsolete.
List of recommended software applications associated to the .ssi file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open ssi file, edit ssi file, convert ssi file, view ssi file, play ssi file etc. (if exist software for corresponding action in File-Extensions.org's database).
ssi file viewer - programs that view ssi file - SriSun graphic image
Click on the link to get more information about XnView MP for view ssi file action.
Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)