Fran (and others) - If you just want to change the icon for a particular file type, do the following: (1) Open any folder. (2) Go to Tools -> Folder Options (3) Click on the File Types tab (4) Find the mat file format (5) Click Advanced, to bring up the "Edit File Type" dialogue box. (6) Click "Change Icon" (7) Try locating the bryce exe file, and selecting that. Most program executables have one or more icons embedded. (8) Choose the new icon (9) Click Ok, Ok, Close (that should get you back to the folder view). (10) Click View -> Refresh (just in case, shouldn't be necessary. Unfortunately I'm not on my main computer at the moment, so I can't check to see if Bryce does have the right icons embedded, but the instructions will work on XP (possibly NT and others).

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