Files with SIR extension might also be found as old bitmap images.
There is one other file type using
the SIR file extension!
.sir - SIR (Scientific Information Retrieval) database
Software that works with sir file extension
What is sir file? How to open sir files?
The SIR file extension was in the past used for some sort of bitmap image format. Most likely obsolete.
List of recommended software applications associated to the .sir 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 sir file, edit sir file, convert sir file, view sir file, play sir file etc. (if exist software for corresponding action in File-Extensions.org's database).
sir file viewer - programs that view sir file - Bitmap file
Click on the link to get more information about XnView MP for view sir file action.
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