EXE

Set to 20 different clues across 33 published puzzles, most often “Devon river” — The New York Times, Sunday, 26 October 2008.

3 letters

Every clue on record, most used first

Devon river6 times
The New York Times — Sunday, 26 October 2008
River to the English Channel4 times
The New York Times — Saturday, 4 June 2005
River of Devon3 times
The New York Times — Friday, 17 September 2010
Program file extension3 times
The New York Times — Thursday, 21 January 2010
Computer file name extension2 times
The New York Times — Tuesday, 11 September 2007
Program file-name extensiononce
The New York Times — Tuesday, 16 March 2010
Windows program suffixonce
The New York Times — Tuesday, 16 February 2010
Application file extensiononce
The New York Times — Saturday, 20 October 2007
Computer file suffixonce
The New York Times — Sunday, 5 November 2006
Windows file extensiononce
The New York Times — Friday, 28 April 2006
PC application suffixonce
The New York Times — Sunday, 1 February 2004
Computer program suffixonce
The New York Times — Tuesday, 30 December 2003