The most prevalent use of the .stim extension is for electrical stimulation data. Neuroelectrics, a company specializing in neurotechnology, uses .stim files to record currents delivered to electrodes during a medical or research session. In this context, the file is an ASCII (plain text) document that works as a record-keeping tool for bio-electrical signals.
When possible, give credit to the original creator, even if it's not strictly required. It helps build a better community. Why Use Free Stim Files? stim files free