legacy data

English - English

Definition of legacy data in English English dictionary: Data stored on older computer systems or in older file or database formats, that often remains behind as the legacy of out-dated technologies Often, this data presents a formidable challenge to client-server developers because it is still useful, but not always easy to integrate into more current systems; Data that is left over from previous technologies The analog recordings on tape are the legacy data that the Consortium wants to address This normally involves a conversion process; Data contained by a system used prior to the installation of a new system Often legacy data resides on mainframe systems, which may have been replaced by client/server systems or Web-enabled systems (1); Existing data that has been acquired by an organization; is existing data that has been acquired by an organisation