Crossword Genius

PC program file extension (3)

Ross

I believe the answer is:

exe

(Other definitions for exe that I've seen before include "Current" , "source of water" , "River of southwest England" , "Devon river" , "Topsham's river" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.