FIles with st2 extension are used for SPICE program. They contain status files.
Software that open st2 file
ST2 file extension - SPICE Status file
What is st2 file? How to open st2 files?
The st2 file extension is associated with SPICE (Simulation Program with Integrated Circuit Emphasis) which is developed at the Electronics Research Laboratory of the University of California. The st2 files are used for Status files.
The default software associated to open st2 file:
Company or developer:
National Instruments Corporation
A computer simulation and modeling software, SPICE is used by engineers to mathematically predict the behavior of electronics circuits.
List of recommended software applications associated to the .st2 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open st2 file, edit st2 file, convert st2 file, view st2 file, play st2 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with st2 file - SPICE Status file
Click on the software link for more information about Spice. Spice uses st2 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).