Other crossword clues for answer "SINGLEFILE"SINGLEFILEMarching formationQueueUsual line formationHow students often line upGrade-school formationOne at a time, in lineLike some waiting linesOne-person-wide lineOne after anotherArranged one behind the otherQueue order.One at a time.In a lineGrade school marching ordersOne-by-one formation, as in walkingOne behind the otherOne behind the nextLike some linesClient data at Match.com?Walking formation in grade school