Crossword clues for In a single file. 4 letters:ANTSMarchers in single fileAROWIn a single file.ANTSSingle-file marchersAROWIn ___ (single file)ANTSInsects that often walk in single fileLINESingle-file formationANTSSingle-file travelers, at timesAROWIn single file.QUEUESingle-file lineONEBYONESingle-fileINTANDEMSingle fileONEBYONEIn a single file.CONGADance in a single fileONEATATIMEIn single fileWALKSTWOABREASTDoesn't go in single fileCONGADance in single fileLINEDUPSingle-fileINAROWLined up single-fileSNAKEDANCESingle-file paradeONEBYONEIn single fileCONGASingle-file danceTANDEMSingle fileINAROWSingle-fileONEAFTERANOTHERIn single fileCONGADance done in single fileONEAFTERANOTHERSingle fileTANDEM(In) single fileONEATATIMESingle file