Its a windoz screen saver. It will not work on a mac. Many of these that get passed around by email contain virus or worm files. If someone sent it to you just delete it and move on. Dave B. Brown On Saturday, July 26, 2003, at 02:11 PM, jc wrote: > Can anyone tell me what a .scr file is and how to open it on my Mac OS X > > --jc