A non-transitory computer-readable recording medium recording an indexed data generation program causing a computer to execute processing of generating ledger sheet output format data from ledger sheet data including a ledger sheet having a plurality of columns; generating index information for words, characters, or numerical values, the index information including positional information capable of specifying attributes of the plurality of columns and a positional relationship in the ledger sheet data between pieces of data corresponding to the plurality of columns included in the ledger sheet output format data; and outputting an output file including the index information and the ledger sheet output format data.